A = −2 cos² 0 − cos 24_Restrict to [0, 2m)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.4: Values Of The Trigonometric Functions
Problem 21E
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Solve this equation (using radians).

0 = −2 cos² 0 − cos 20 _Restrict to [0, 2m)
Transcribed Image Text:0 = −2 cos² 0 − cos 20 _Restrict to [0, 2m)
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