Find the exact value of COs 2x given that sin x = III. and X is in quadrant 25 16 25 7. 25 16 25 3/5

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Analytic Trigonometry
Section2.4: Sum And Difference Formulas
Problem 3ECP: Find the exact value of cosu+v given sinu=1213, where 0u2 and cosv=35, where 2v.
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Find the exact value of COS 2x given that sin x =
III.
3
and X is in quadrant
-
25
16
25
-
25
O 16
25
Transcribed Image Text:Find the exact value of COS 2x given that sin x = III. 3 and X is in quadrant - 25 16 25 - 25 O 16 25
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