Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 29E
Question
Transcribed Image Text:Use the figure to find the exact value of the
following trigonometric function.
cos (2α)
=
cos (2a) (Simplify your answer.)
12
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