Verify the following identities: a. sin 3x = 3 sin x-4 sin x b. 1+ cos 10x = 2 cos 5x %3D

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 44E
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Please solve the 2 trig problems with solutions, thank you

Verify the following identities:
a. sin 3x = 3 sin x-4 sin' x
b. 1+ cos 10x = 2 cos' 5x
%3D
Transcribed Image Text:Verify the following identities: a. sin 3x = 3 sin x-4 sin' x b. 1+ cos 10x = 2 cos' 5x %3D
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