Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Name: _____________________________ Integrated Algebra 2/Trigonometry Mr. Nickels Right Triangle Trigonometry and the Unit Circle Homework 1 In the diagram below of right triangle KTW, , , and . What is the measure of degree? 3 In the accompanying diagram, circle O at R, , and is tangent to , to the nearest 2 In the accompanying diagram, unit circle O at S, , and is tangent to . Which measure represents cos 1) PO 2) RO 3) OS 4) QS ? 4 The accompanying diagram shows unit circle O, with radius . Which line segment represents sin ? 1) 2) 3) 4) Which line segment has a length equivalent to sin ? 1) 2) 3) 4) 5 The accompanying diagram shows unit circle O, 8 8 In right triangle ABC angle B is the right with radius . angle. Side a = 14 and side b = 19. a. Express the cos C as a fraction in simplest form. Which line segment has a length equivalent to cos ? 1) 2) 3) 4) 6 If is an angle in standard position and is a point on the terminal side of , what is the value of ? 1) b. Express the sin C as a fraction in simplest form. c. Find the m<A, to the nearest degree. 2) 3) 9 Point is on the unit circle whose 4) center is the origin. If is an angle in standard position whose terminal ray passes through point A, what is the value of cos ? 7 If the terminal side of angle passes through point , what is the value of ? 1) 2) 3) 4) 10 In right triangle ABC angle B is the right angle. Given AB = 13, and BC = 16, find the measure of angle A, to the nearest tenth of a degree.