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PRECALCULUS – Mr. Andrew J. Byrum Course Philosophy: Primary Objectives To help students truly understand the fundamental concepts of algebra, trigonometry, and analytic geometry To foreshadow important ideas of calculus To show how functions can be used to model real-life problems To integrate technology through the use of graphics calculators Teaching Strategies Within the first few days of school, each student is issued a Texas Instruments TI-83/TI-84 graphics calculator. Most students are not familiar with using a graphing calculator, making it not only a challenge to teach the course material, but also teaching the students how to use a graphics calculator. The first week is designed to familiarize the students with the particular nuances of using the TI-83/TI-84, with continual emphasis on the fact that students should not rely heavily on the calculator. As content progresses, more tidbits are revealed about the TI-83’s capabilities; and each student is offered a manual should individualized exploration be desired. The textbook used is Precalculus: Graphical, Numerical, Algebraic 6th edition by Demana, Waits, Foley, and Kennedy Throughout the course, students collaborate together, usually informally, on various classwork activities. The classroom seating structure is that of tables, which make group work more conducive for cooperative learning. Often, students do problems on the two marker boards located on the wall at the head of the class; giving verbal explanations for their work. Marker boards are employed so that students can visualize mathematics through the use of color. Students are expected to use proper vocabulary and terminology when giving verbal explanations to their fellow classmates, as well as to the instructor. Technology is also available through the use of a Texas Instruments TI-83/TI-84 graphics calculator that can be viewed via an overhead projector. 1 Precalculus Course Outline with Common Core Standards Chapter 1: Functions and Graphs (8 weeks) A. MODELING AND EQUATION SOLVING – 1.1 pp. 64 – 80 Numerical Models Algebraic Models Graphical Models The Zero Factor Property The Problem Solving Process Graphics Calculator Failure and Hidden Behavior Assignment: Textbook Section 1.1 pp. 76 – 79 # 1 – 10, 29 – 38 High School Conceptual Category: Functions Domain: Interpreting Functions Cluster: Analyze functions using different representations Standard 7a: Graph linear and quadratic functions and show intercepts, maxima, and minima. High School Conceptual Category: Algebra Domain: Reasoning with equations and inequalities Cluster: Solve equations and inequalities in one variable Standard 4: Solve quadratic equations in one variable. B. FUNCTIONS AND THEIR PROPERTIES – 1.2 pp. 81 – 101 Function Definition and Notation Domain and Range Continuity and Types of discontinuity Increasing and Decreasing Functions Boundedness Local and Absolute (Global) Extrema Symmetry – Odd and Even Functions Vertical and Horizontal Asymptotes End Behavior Assignment: Textbook Section 1.2 pp. 98 – 99 # 2 – 68 even High School Conceptual Category: Functions Domain: Interpreting Functions Cluster: Understand the concept of a function and use function notation Standard 1: Understand that a function from one set (called the domain) to another set (called the range) assigns to each element of the domain exactly one element of the range. If f is a function and x is an element of its domain, the f(x) denotes the output of f corresponding to the input x. The graph of f is the graph of the equation y = f(x). Standard 4: For a function that models a relationship between two quantities, interpret key features of graphs and tables in terms of the quantities, and sketch graphs showing key features given a verbal description of the relationship. Key features include: intercepts; intervals where the function is increasing, decreasing, positive, or negative; relative maximums and minimums; symmetries; end behavior; and periodicity. 2 C. TWELVE BASIC FUNCTIONS – 1.3 pp. 101 - 112 What Graphs Can Tell Us Twelve Basic Functions Analyzing Functions Graphically Assignment: Textbook Section 1.3 pp. 80, 81 # 1 – 12, 19 – 24 High School Conceptual Category: Functions Domain: Interpreting Functions Cluster: Analyze functions using different representations Standard 7b: Graph square root, cube root, and piecewise-defined functions, including step functions and absolute value functions. D. BUILDING FUNCTIONS FROM FUNCTIONS – 1.4 pp. 113 - 131 Combining Functions Algebraically Composition of Functions Relations and Implicitly Defined Functions Inverse Relations and Inverse Functions Assignment: Textbook Section 1.4 pp. 127 – 129 # 1 – 20, 39 – 56 High School Conceptual Category: Functions Domain: Interpreting Functions Cluster: Understand the concept of a function and use function notation Standard 2: Use function notation, evaluate functions for inputs in their domains, and interpret statements that use function notation in terms of a context. High School Conceptual Category: Functions Domain: Building Functions Cluster: Build a Function that models a relationship between two quantities Standard 1: Write a function that describes a relationship between two quantities. A) Determine an explicit expression, a recursive process, or steps for calculation from a context. B) Combine standard function types using arithmetic operations. C) Compose functions. High School Conceptual Category: Functions Domain: Building Functions Cluster: Build new functions from existing functions Standard 4: Find inverse functions. A) Solve an equation of the form f(x) = c for a simple function f that has an inverse and write an expression for the inverse. B) Verify by composition that one function is the inverse of another. C) Read values of an inverse function from a graph or table, given that the function has an inverse. D) Produce an invertible function from a non-invertible function by restricting the domain. E. GRAPHICAL TRANSFORMATIONS – 1.5 pp. 131 - 142 Transformations Vertical and Horizontal Translations Reflections Across Axes Vertical and Horizontal Stretches and Compressions (Shrinks) Assignment: Textbook Section 1.5 pp. 139 – 150 # 1 – 16, 25 – 28, 47 – 54 3 High School Conceptual Category: Functions Domain: Building Functions Cluster: Build new functions from existing functions Standard 3: Identify the effect on the graph of replacing f(x) by f(x) + k, k f(x), f(kx), and f(x + k) for specific values of k (both positive and negative); find the value of k given the graphs. Experiment with cases and illustrate an explanation of the effects on the graph using technology. F. MODELING WITH FUNCTIONS – 1.6 pp. 142 - 155 Functions from Formulas Functions from Graphs Functions from Verbal Descriptions Functions from Data Assignment: Textbook Section 1.6 pp. 152 – 153 # 2 – 32 even High School Conceptual Category: Functions Domain: Linear and Exponential Models Cluster: Interpret expressions for functions in terms of the situation they model Standard 5: Interpret the parameters in a linear or exponential function in terms of a context. Test: Chapter 1 – Multiple Choice G. PACESETTER – THE MILE RUN High School Conceptual Category: Functions Domain: Linear and Exponential Models Cluster: Construct and compare linear and exponential models and solve problems Standard 1: Distinguish between situations that can be modeled with linear functions and with exponential functions. Standard 1a: Prove that linear functions grow by equal differences over equal intervals, and that exponential functions grow by equal factors over equal intervals. Standard 5: Interpret the parameters in a linear function in terms of a context. H. PACESETTER – SHIPS IN THE FOG High School Conceptual Category: Functions Domain: Linear and Exponential Models Cluster: Construct and compare linear and exponential models and solve problems Standard 1: Distinguish between situations that can be modeled with linear functions and with exponential functions. Standard 1b: Recognize situations in which one quantity changes a constant rate per unit interval relative to another. Standard 5: Interpret the parameters in a linear function in terms of a context. 4 Chapter 2: Polynomial, Power, and Rational Functions (8 weeks) A. LINEAR AND QUADRATIC FUNCTIONS AND MODELING – 2.1 pp. 162 – 180 Polynomial Functions Linear Functions and Their Graphs Average Rate of Change Linear Correlation and Modeling Quadratic Functions and Their Graphs Assignment: Textbook Section 2.1 pp. 175 – 176 # 1 – 18, 24 – 44 even, 45 – 48 High School Conceptual Category: Algebra Domain: Reasoning with Equations and Inequalities Cluster: Solve equations and inequalities in one variable Standard 4b: Solve quadratic equations by inspection (e.g., for x2 = 49), taking square roots, completing the square, the quadratic formula and factoring, as appropriate to the initial form of the equation. Recognize when the quadratic formula gives complex solutions and write them in a ± bi for real numbers a and b. High School Conceptual Category: Functions Domain: Interpreting Functions Cluster: Interpret functions that arise in applications in terms of the context Standard 6: Calculate and interpret the average rate of change of a function (presented symbolically or as a table) over a specified interval. Estimate the rate of change from a graph. High School Conceptual Category: Functions Domain: Interpreting Functions Cluster: Analyze functions using different representations Standard 7a: Graph linear and quadratic functions and show intercepts, maxima, and minima. Standard 8a: Use the process of factoring and completing the square in a quadratic function to show zeros, extreme values, and symmetry of the graph, and interpret these in terms of a context. B. POWER FUNCTIONS WITH MODELING – 2.2 pp. 181 – 192 Power Functions and Variation Graphs of Power Functions Modeling with Power Functions Assignment: Textbook Section 2.2 pp. 189 – 190 # 1 – 22, 29 – 34 High School Conceptual Category: Functions Domain: Interpreting Functions Cluster: Analyze functions using different representations Standard 9: Compare properties of two functions each represented in a different way (algebraically, graphically, and numerically in tables, or by verbal descriptions). 5 C. POLYNOMIAL FUNCTIONS OF HIGHER DEGREE WITH MODELING – 2.3 pp. 193 – 206 Graphs of Polynomial Functions End Behavior of Polynomial Functions Zeros of Polynomial Functions Intermediate Value Theorem Assignment: Textbook Section 2.3 pp. 203, 204 # 9 – 12, 17 – 24, 29 – 38, 43 – 52 High School Conceptual Category: Functions Domain: Interpreting Functions Cluster: Interpret functions that arise in applications in terms of the context Standard 5: Relate the domain of a function to its graph and, where applicable, to the quantitative relationship it describes. High School Conceptual Category: Functions Domain: Interpreting Functions Cluster: Analyze functions using different representations Standard 7c: Graph polynomial functions, identifying zeros when suitable factorizations are available, and showing end behavior. D. REAL ZEROS OF POLYNOMIAL FUNCTIONS – 2.4 pp. 207 – 220 Long Division and the Division Algorithm Remainder and Factor Theorems Synthetic Division Rational Zeros Theorem Assignment: Textbook Section 2.4 pp. 216 – 218 # 1 – 12, 27 – 30, 49 – 56 High School Conceptual Category: Algebra Domain: Arithmetic with Polynomials and Rational Expressions Cluster: Rewrite rational expressions Standard 6: Rewrite simple rational expressions in different forms; write a(x)/b(x) in the form q(x) + r(x)/b(x), where a(x), b(x), q(x), and r(x) are polynomials with the degree of r(x) less than the degree of b(x), using inspection, long division, or, for the more complicated examples, a computer algebra system. Standard 7: Understand that rational expressions form a system analogous to the rational numbers, closed under addition, subtraction, multiplication, and division by a nonzero rational expression; add, subtract, multiply, and divide rational expressions. High School Conceptual Category: Functions Domain: Interpreting Functions Cluster: Analyze functions using different representations Standard 7: Graph functions expressed symbolically and show key features of the graph, by hand in simple cases and using technology for more complicated cases. Standard 8: Write a function defined by an expression in different, but equivalent forms to reveal and explain different properties of the function. 6 E. COMPLEX NUMBERS – 2.5 pp. 221 – 228 Complex Numbers Operations with Complex Numbers Complex Conjugates and Division Complex Solutions of Quadratic Equations The Complex Number Plane Assignment: Textbook Section 2.5 pp. 227 # 1 – 40 High School Conceptual Category: Number and Quantity Domain: The Complex Number System Cluster: Perform arithmetic operations with complex numbers Standard 1: Know there is a complex number “ i ” such that i2 = -1, and every complex number has the form a + bi where a and b are real numbers. Standard 2: Use the relation i2 = -1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers. Standard 3: Find the conjugate of a complex number; use conjugates to find moduli and quotients of complex numbers. Standard 4: Represent complex numbers on the complex plane in rectangular and polar form (including real and imaginary numbers), and explain why the rectangular and polar forms of a given complex number represent the same number. F. COMPLEX ZEROS AND THE FUNDAMENTAL THEOREM OF ALGEBRA – 2.6 pp. 229 – 236 Two Major Theorems Complex Conjugate Zeros Factoring with Real Number Coefficients Assignment: Textbook Section 2.6 pp. 234, 235 # 2 – 32 even High School Conceptual Category: Number and Quantity Domain: The Complex Number System Cluster: Use complex numbers in polynomial identities and equations Standard 7: Solve quadratic equations with real coefficients that have complex solutions. Standard 8: Extend polynomial identities to complex numbers. Standard 9: Know the Fundamental Theorem of Algebra; show it is true for quadratic polynomials. G. GRAPHS OF RATIONAL FUNCTIONS – 2.7 pp. 237 – 248 Rational Functions Limits and Asymptotes Analyzing Graphs of Rational Functions Assignment: Textbook Section 2.7 pp. 246, 247 # 11 – 18, 20 – 30 even, 31 – 44 High School Conceptual Category: Functions Domain: Interpreting Functions Cluster: Analyze functions using different representations Standard 7d: Graph rational functions, identifying zeros and asymptotes when suitable factorizations are available, and showing end behavior. 7 H. SOLVING EQUATIONS IN ONE VARIABLE – 2.8 pp. 249 – 257 Solving Rational Equations Extraneous Solutions Assignment: Textbook Section 2.8 pp. 254, 255 # 2 – 30 even High School Conceptual Category: Algebra Domain: Reasoning with Equations and Inequalities Cluster: Understand solving equations as a process of reasoning and explain the reasoning Standard 2: Solve simple rational and radical equations in one variable, and give examples showing how extraneous solutions may arise. I. SOLVING INEQUALITIES IN ONE VARIABLE – 2.9 pp. 258 – 268 Polynomial Inequalities Rational Inequalities Other Inequalities Assignment: Textbook Section 2.9 pp. 265, 266 # 1 – 6, 13 – 20, 34 – 44 even High School Conceptual Category: Algebra Domain: Reasoning with Equations and Inequalities Cluster: Understand solving equations as a process of reasoning and explain the reasoning Standard 2: Solve simple rational and radical equations in one variable, and give examples showing how extraneous solutions may arise. Test: Chapter 2 – Multiple Choice Chapter 3: Exponential, Logistic, and Logarithmic Functions (8 weeks) A. EXPONENTIAL AND LOGISTIC FUNCTIONS – 3.1 pp. 276 – 289 Exponential Functions and Their Graphs The Natural Base “ e “ Logistic Functions and Their Graphs Population Models Assignment: Textbook Section 3.1 pp. 286 – 288 # 1 – 14, 41 – 44, 52, 54, 56 High School Conceptual Category: Functions Domain: Interpreting Functions Cluster: Analyze functions using different representations Standard 7e: Graph exponential and logarithmic functions, showing intercepts and end behavior, and trigonometric functions, showing period, midline, and amplitude. High School Conceptual Category: Functions Domain: Interpreting Functions Cluster: Interpret expressions for functions in terms of the situation they model Standard 5: Interpret the parameters in a linear or exponential function in terms of a context. 8 B. EXPONENTIAL AND LOGISTIC MODELING – 3.2 pp. 290 – 299 Constant Percentage Rate and Exponential Functions Exponential Growth and Decay Models Using Regression to Model Population Other Logistic Models Assignment: Textbook Section 3.2 pp. 296, 297 # 2 – 32 even High School Conceptual Category: Functions Domain: Interpreting Functions Cluster: Analyze functions using different representations Standard 8b: Use the properties of exponents to interpret expressions for exponential functions. For example, identify percent rate of change in functions such as y = (1.02)5, y = (0.97)5, y = (1.01)12t, y = (1.2) t/10, and classify them as representing exponential growth or decay. C. PACESETTER – POPULATION GROWTH High School Conceptual Category: Functions Domain: Linear and Exponential Models Cluster: Construct and compare linear and exponential models and solve problems Standard 1: Distinguish between situations that can be modeled with linear functions and with exponential functions. Standard 1c: Recognize situations in which a quantity grows or decays by a constant percent rate per unit interval relative to another. High School Conceptual Category: Functions Domain: Interpreting Functions Cluster: Interpret expressions for functions in terms of the situation they model Standard 5: Interpret the parameters in a linear or exponential function in terms of a context. D. LOGARITHMIC FUNCTIONS & GRAPHS – 3.3 pp. 300 – 309 Inverses of Exponential Functions Common Logarithms – Base 10 Natural Logarithms – Base e Graphs of Logarithmic Functions Assignment: Textbook Section 3.3 pp. 308, 309 # 1 – 40, 60 – 62 High School Conceptual Category: Functions Domain: Building Functions Cluster: Build new functions from existing functions Standard 5: Understand the inverse relationship between exponents and logarithms and use this relationship to solve problems involving logarithms and exponents. High School Conceptual Category: Functions Domain: Linear and Exponential Models Cluster: Construct and compare linear and exponential models and solve problems Standard 4: For exponential models, express as a logarithm the solution to abct = d where a, c, and d are numbers and the base b is 2, 10, or e; evaluate the logarithm using technology. 9 E. PROPERTIES OF LOGARITHMIC FUNCTIONS – 3.4 pp. 310 – 319 Properties of Logarithms Change of Base Graphs of Logarithmic Functions with Base b Assignment: Textbook Section 3.4 pp. 317 # 1 – 32, 43 – 46 High School Conceptual Category: Algebra Domain: Seeing the structure of expressions Cluster: Write expressions in equivalent forms to solve problems Standard 3: Choose and produce an equivalent form of an expression to reveal and explain properties of the quantity represented by the expression. High School Conceptual Category: Functions Domain: Building Functions Cluster: Build new functions from existing functions Standard 5: Understand the inverse relationship between exponents and logarithms and use this relationship to solve problems involving logarithms and exponents. F. EQUATION SOLVING AND MODELING – 3.5 pp. 320 – 333 Solving Exponential Equations Solving Logarithmic Equations Assignment: Textbook Section 3.5 pp. 331 # 2 – 18 even, 19 – 24, 26 – 38 even High School Conceptual Category: Algebra Domain: Seeing the structure of expressions Cluster: Write expressions in equivalent forms to solve problems Standard 3: Choose and produce an equivalent form of an expression to reveal and explain properties of the quantity represented by the expression. High School Conceptual Category: Functions Domain: Building Functions Cluster: Build new functions from existing functions Standard 5: Understand the inverse relationship between exponents and logarithms and use this relationship to solve problems involving logarithms and exponents. G. PACESETTER – A POWERFUL FUNCTION High School Conceptual Category: Functions Domain: Linear and Exponential Models Cluster: Construct and compare linear and exponential models and solve problems Standard 4: For exponential models, express as a logarithm the solution to abct = d where a, c, and d are numbers and the base b is 2, 10, or e; evaluate the logarithm using technology. Test: Chapter 3A – Multiple Choice 10 H. MATHEMATICS OF FINANCE – 3.6 pp. 334 – 345 Interest Compounded Annually Interest Compounded k Times per year Interest Compounded Continuously Annuities – Future Value Loans and Mortgages – Present Value Assignment: Textbook Section 3.6 pp. 342, 343 # 1 – 20, 22 – 30 E, 48 – 56 E High School Conceptual Category: Algebra Domain: Seeing the structure of expressions Cluster: Write expressions in equivalent forms to solve problems Standard 3c: Use the properties of exponents to transform expressions for exponential functions. For example the expression1.15t can be written as (1.15 1/12)12t ≈ 1.01212t to reveal the approximate equivalent monthly interest rate if the annual rate is 15% Standard 4: Derive the formula for the sum of a finite geometric series (when the common ratio is not 1), and use the formula to solve problems. For example, calculate mortgage payments. I. PACESETTER – PENNSYLVANIA LOTTERY High School Conceptual Category: Algebra Domain: Seeing the structure of expressions Cluster: Write expressions in equivalent forms to solve problems Standard 3c: Use the properties of exponents to transform expressions for exponential functions. For example the expression1.15t can be written as (1.15 1/12)12t ≈ 1.01212t to reveal the approximate equivalent monthly interest rate if the annual rate is 15% Standard 4: Derive the formula for the sum of a finite geometric series (when the common ratio is not 1), and use the formula to solve problems. For example, calculate mortgage payments. Test: Chapter 3B – Multiple Choice Chapter 4: Trigonometric Functions (8 weeks) A. ANGLES AND THEIR MEASURES – 4.1 pp. 352 – 361 The Problem of Angular Measure Degrees and Radians Circular Arc Length Angular and Linear Motion Assignment: Textbook Section 4.1 pp. 358 – 360 # 2 – 38 even, 39, 40, 45, 47, 54 High School Conceptual Category: Functions Domain: Trigonometric Functions Cluster: Extend the domain of trigonometric functions using the unit circle Standard 1: Understand radian measure of an angle as the length of the arc on the unit circle subtended by the angle. 11 B. TRIGONOMETRIC FUNCTIONS: ACUTE ’S – 4.2 pp. 362 – 371 Right Triangle Trigonometry Two Famous Triangles Evaluating Trigonometric Functions with a Calculator Common Calculator Errors When Evaluating Trigonometric Functions Applications of Right Triangle Trigonometry Assignment: Textbook Section 4.2 pp. 368 – 370 # 1 – 8, 10 – 58 E, 62, 66, 74 High School Conceptual Category: Geometry Domain: Similarity, Right Triangles, and Trigonometry Cluster: Define trigonometric ratios and solve problems involving right triangles Standard 6: Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles. Standard 8: Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems. C. TRIGONOMETRY: CIRCULAR FUNCTIONS – 4.3 pp. 372 – 385 Trigonometric Functions of any Angle Trigonometric Functions of Real Numbers Periodic Functions The 16 – Point Unit Circle Assignment: Textbook Section 4.3 pp. 383 # 2 – 48 even High School Conceptual Category: Functions Domain: Trigonometric Functions Cluster: Extend the domain of trigonometric functions using the unit circle Standard 2: Explain how the unit circle in the coordinate plane enables the extension of trigonometric functions to all real numbers, interpreted as radian measures of angles traversed counterclockwise around the unit circle. Standard 3: Use special triangles to determine geometrically the values of sine, cosine, tangent for π/3, π/4, and π/6, and use the unit circle to express the values of sine, cosines, and tangent for x, π + x, and 2π – x in terms of their values for x, where x is any real number. D. PACESETTER – DAYLIGHT HOURS High School Conceptual Category: Functions Domain: Trigonometric Functions Cluster: Model periodic phenomena with trigonometric functions Standard 5: Choose trigonometric functions to model periodic phenomena with specified amplitude, frequency, and midline. Test: Trigonometry Test 1 12 E. GRAPHS OF SINE & COSINE: SINUSOIDS – 4.4 pp. 386 – 397 The Basic Waves Revisited Sinusoids and Transformations Modeling Periodic Behavior with Sinusoids Assignment: Textbook Section 4.4 pp. 394, 395 # 2 – 16 even, 29 – 34, 57 – 60 High School Conceptual Category: Functions Domain: Trigonometric Functions Cluster: Model periodic phenomena with trigonometric functions Standard 4: Use the unit circle to explain symmetry (odd and even) and periodicity of trigonometric functions. Standard 5: Choose trigonometric functions to model periodic phenomena with specified amplitude, frequency, and midline. F. GRAPHS OF TAN, COT, SEC & CSC – 4.5 pp. 398 – 406 The Tangent Function The Cotangent Function The Secant Function The Cosecant Function Assignment: Textbook Section 4.5 pp. 403 # 1 – 20 High School Conceptual Category: Functions Domain: Trigonometric Functions Cluster: Model periodic phenomena with trigonometric functions Standard 5: Choose trigonometric functions to model periodic phenomena with specified amplitude, frequency, and midline. G. GRAPHS OF COMPOSITE TRIG FUNCTIONS – 4.6 pp. 407 – 415 Combining Trigonometric and Algebraic Functions Sums and Differences of Sinusoids Damped Oscillation Assignment: Textbook Section 4.6 pp. 413, 414 # 2 – 42 even High School Conceptual Category: Functions Domain: Trigonometric Functions Cluster: Model periodic phenomena with trigonometric functions Standard 5: Choose trigonometric functions to model periodic phenomena with specified amplitude, frequency, and midline. H. SUPPLEMENTAL – THE SINE FUNCTION pp. 68 – 78 Activity 34 – The Sine Function: Amplitude Activity 35 – The Sine Function: Vertical Shift Activity 36 – The Sine Function: Period Activity 37 – The Sine Function: Phase Shift Activity 38 – The General Sine Function: A sin [B(x – C)] + D Activity 39 – Periodic Problems Test: Trigonometry Test 2 – Multiple Choice 13 I. INVERSE TRIGONOMETRIC FUNCTIONS – 4.7 pp. 416 – 425 Inverse Sine Function Inverse Cosine and Tangent Functions Composing Trigonometric and Inverse Trigonometric Functions Applications of Inverse Trigonometric Functions Assignment: Textbook Section 4.7 pp. 423 # 1 – 32 High School Conceptual Category: Functions Domain: Trigonometric Functions Cluster: Model periodic phenomena with trigonometric functions Standard 6: Understand that restricting a trigonometric function to a domain on which it is always increasing or always decreasing allows its inverse to be constructed. Standard 7: Use inverse functions to solve trigonometric equations that arise in modeling contexts; evaluate the solutions using technology, and interpret them in terms of context. J. SOLVING PROBLEMS WITH TRIGONOMETRY – 4.8 pp. 426 – 437 More Right Triangle Problems Simple Harmonic Motion Assignment: Textbook Section 4.8 pp. 432 – 434 # 1 – 10, 16, 20 High School Conceptual Category: Geometry Domain: Similarity, Right Triangles, and Trigonometry Cluster: Define trigonometric ratios and solve problems involving right triangles Standard 8: Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems. Test: Trigonometry Test 3 – Multiple Choice Chapter 5: Analytic Trigonometry (4 weeks) A. FUNDAMENTAL IDENTITIES – 5.1 pp. 444 – 453 Basic Trigonometric Identities Pythagorean Identities Cofunction Identities Odd-Even Identities Simplifying Trigonometric Expressions Solving Trigonometric Equations Assignment: Textbook Section 5.1 pp. 451, 452 # 9 – 16, 27 – 32, 51 – 56 High School Conceptual Category: Functions Domain: Trigonometric Functions Cluster: Prove and apply trigonometric identities Standard 8: Prove the Pythagorean identity and use it to calculate trigonometric ratios. sin2 (θ) + cos2 (θ) = 1 Standard 9: Prove the addition and subtraction formulas for sine, cosine, and tangent and use them to solve problems. 14 B. THE LAW OF SINES – 5.5 pp. 478 – 486 Deriving the Law of Sines Solving Triangles (AAS, ASA) The Ambiguous Case (SSA) Applications Assignment: Textbook Section 5.5 pp. 484, 485 # 2 – 22 even, 40, 44 High School Conceptual Category: Geometry Domain: Similarity, Right Triangles, and Trigonometry Cluster: Apply trigonometry to general triangles Standard 10: Prove the Laws of Sines and Cosines and use them to solve problems. Standard 11: Understand and apply the Law of Sines and the Law of Cosines to find unknown measurements in right and non-right triangles (e.g., surveying problems, resultant forces). C. THE LAW OF COSINES – 5.6 pp. 487 – 496 Deriving the Law of Cosines Solving Triangles (SAS, SSS) Triangle Area and Heron’s Formula Assignment: Textbook Section 5.6 pp. 494, 495 # 2 – 20 even, 30 – 34 High School Conceptual Category: Geometry Domain: Similarity, Right Triangles, and Trigonometry Cluster: Apply trigonometry to general triangles Standard 9: Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side. Standard 10: Prove the Laws of Sines and Cosines and use them to solve problems. Standard 11: Understand and apply the Law of Sines and the Law of Cosines to find unknown measurements in right and non-right triangles (e.g., surveying problems, resultant forces). Test: Trigonometry Test 4 – Multiple Choice Student Evaluation Quarterly grades are computed using attendance, classwork activities, homework, quiz results, and test results. Grades are determined by dividing the points a student achieves by the points assigned during the grading period in order to compute the percentage attained. GRADING SCALE: FINAL GRADES FOR THE COURSE: A B C D F 1st 9 weeks = 2/9 of final grade. 2nd 9 weeks = 2/9 of final grade. 3rd 9 weeks = 2/9 of final grade. 4th 9 weeks = 2/9 of final grade. Final Exam = 1/9 of final grade. = = = = = 90. 0 % and up 80 .0 % to 89. 9 % 70. 0 % to 79. 9 % 60. 0 % to 69. 9 % 0. 0 % to 59. 9 % 15 Resource Materials Primary Resource: Demana, Franklin D., Bert K. Waits, Gregory D. Foley and Daniel Kennedy. Precalculus – Graphical, Numerical, Algebraic. 6th edition. Boston, Massachusetts: Pearson – Addison Wesley, 2004. Secondary Resources: Academic Content Standards k-12 Mathematics. Ohio Department of Education. Center for Curriculum and Assessment. Office of Curriculum and Instuction Bentley, Wayne J. Precalculus. Grand Rapids, Michigan 49544: Instructional Fair - TS Denison, 1997. Lund, Charles and Edwin Andersen. Graphing Calculator Activities: Exploring Topics in Algebra 1 & Algebra 2. Menlo Park, California, 1998. Pacesetter Mathematics: Precalculus Through Modeling 1998 – 1999. The College Board, Educational Testing Service, 1996. Pacesetter Mathematics: Precalculus Through Modeling 1998 – 1999. Volume 1 Teacher’s Edition. The College Board, Educational Testing Service, 1996. Pacesetter Mathematics: Precalculus Through Modeling 1998 – 1999. Volume 2 Teacher’s Edition. The College Board, Educational Testing Service, 1996. 16