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IB Pre-Calculus
Name____________________________________
Chapter 4: Trigonometric Functions
Period__________________________________

Date
Day 1
Topic
4.1 Angles and Their Measure
Day 2
4.2 Trigonometric Functions of Acute Angles
Day 3
4.3 Trigonometry Extended: The Circular Functions
Day 4
4.4 Graphs of Sine and Cosine: Sinusoids
4.5 Graphs of Tangent, Cotangent, Secant, and Cosecant
The problem of angular measure, degrees and radians, circular arc length, angular and linear
motion.
Right triangle trigonometry, two famous triangles, evaluating trigonometric functions with a
calculator, applications of right triangle trigonometry.
Assignment
Score
pp. 356-359; 1-43 odd (skip 15, 19, 21, 27);
47, 49, 51, 57-62 all.
/4
pp. 366-369; 1-57 odd (skip 17, 27, 31, 35);
69-72 all.
/4
pp. 381-383; 1-51 odd; 55, 57; 61-66 all.
/4
pp. 392-395; 1-75 alternate odd; 81-86 all;
pp. 401-404; 2, 5, 13, 20, 27.
/4
pp. 421-424; 1-51 odd; 57-62 all.
/4
pp. 431-437; 1-31 alternate odd; 37-42 all.
/4
pp. 439-441; 1-47 odd, 51, 57, 61, 63, 77,
79, 81, 95, 101.
/4
Trigonometric functions of any angle, trigonometric functions of real numbers, periodic
functions, the 16-point unit circle.
The basic waves revisited, sinusoids and transformations, modeling periodic behavior with
sinusoids, the tangent function.
Day 5
4.7 Inverse Trigonometric Functions
** Chapter 4 Quiz **
Inverse sine function, inverse cosine and tangent functions, composing trigonometric and
inverse trigonometric functions, applications of inverse trigonometric functions.
Day 6
4.8 Solving Problems with Trigonometry
Day 7
Chapter 4 Review
Day 8
** Chapter 4 Test **
More right triangle problems, simple harmonic motion.
/28
Homework Rubric
Score: 0
I didn’t do the assignment.
Score: 1
Score: 2
Score: 3
Score: 4
I did at least 50% of the
assignment.
I did at least 75% of the
assignment.
I did 100% of the assignment.
I did 100% of the assignment.
I did the assignment by the
end of the chapter.
I did the assignment by the
end of the chapter.
I did the assignment on time.
I did the assignment on time.
I showed some work.
I showed most of my work.
I showed all my work.
I showed all my work.
I checked some of my answers
in the back of the textbook.
I checked most of my answers
in the back of the textbook.
I checked all my answers in the
back of the textbook.
I checked all my answers in the
back of the textbook.
If I had questions, I didn’t seek
help.
If I had questions, I sought
help most of the time.
If I had questions, I sought help
all the time.
If I had questions, I sought help
all the time.
I taught the material to a