find the exact values of sin 2a, cos 2a, and tan 2a given the following information. 9) cos a = -4/5 90 degrees < a < 180 degrees 11) cos a = 8/17 90 degrees < a < 180 degrees
find the exact values of sin 2a, cos 2a, and tan 2a given the following information. 9) cos a = -4/5 90 degrees < a < 180 degrees 11) cos a = 8/17 90 degrees < a < 180 degrees
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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find the exact values of sin 2a, cos 2a, and tan 2a given the following information.
9) cos a = -4/5 90 degrees < a < 180 degrees
11) cos a = 8/17 90 degrees < a < 180 degrees
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