Given angle A=arctan(2/7) a) Draw the angle A in standard position. b) Compute exact value of cosA and sinA.

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Given angle A=arctan(2/7)

a) Draw the angle A in standard position.

b) Compute exact value of cosA and sinA.

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Use the angles in part (b) to expand and simplify sqrt53cos(x-A)

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