Which expression is equal to cos(6t)?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.6: Additional Trigonometric Graphs
Problem 84E
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Which expression is equal to cos(6t)?
CO
0 2 cos(3t)
01+2 sin?
(3t)
01- 2 sin (6t)
O cos² (3t) – sin? (3t)
Transcribed Image Text:Which expression is equal to cos(6t)? CO 0 2 cos(3t) 01+2 sin? (3t) 01- 2 sin (6t) O cos² (3t) – sin? (3t)
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