Express the given sum or difference as a product of sines and/or cosines. cos x + cos 5x cos x + cos 5x = (Simplify your answer.)

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 17E
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Express the given sum or difference as a product of sines and/or cosines.
cos x + cos 5x
cos x + cos 5x =
(Simplify your answer.)
Transcribed Image Text:Express the given sum or difference as a product of sines and/or cosines. cos x + cos 5x cos x + cos 5x = (Simplify your answer.)
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