Find cos(2A), if sin(A) = 45 53' and A is in quadrant 3.

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Analytic Trigonometry
Section2.3: Solving Trigonometric Equations
Problem 10ECP
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Find cos(2A), if sin(A) =
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45
53
"
and A is in quadrant 3.
Transcribed Image Text:Find cos(2A), if sin(A) = > Next Question 45 53 " and A is in quadrant 3.
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