The expression 5cos 6B – 5sin 6B is equal to A. cos 36B C. cos 12B B. 5cos 12B D. 5cos 3B

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 55E
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The expression 5cos² 6B– 5sin² 6B is equal to
A. cos 36B
C. cos 12B
B. 5cos 12B
D. 5cos 3B
Transcribed Image Text:The expression 5cos² 6B– 5sin² 6B is equal to A. cos 36B C. cos 12B B. 5cos 12B D. 5cos 3B
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