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2 sin 4x cos x LHS - 4(sin x cos x) (sin 4x)(cos x) 2(sin x cos x)( Use the Double-Angle Identities as needed, and then simplify by dividing out the common factors. 2(sin 2x)(cos 2x)(cos x) 2(sin x cos x)( LHS cos 2x cos x sin 2x cos 2x

2 sin 4x cos x LHS - 4(sin x cos x) (sin 4x)(cos x) 2(sin x cos x)( Use the Double-Angle Identities as needed, and then simplify by dividing out the common factors. 2(sin 2x)(cos 2x)(cos x) 2(sin x cos x)( LHS cos 2x cos x sin 2x cos 2x

Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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2 sin 4x cos x LHS - 4(sin x cos x) (sin 4x)(cos x) 2(sin x cos x)( Use the Double-Angle Identities as needed, and then simplify by dividing out the common factors. 2(sin 2x)(cos 2x)(cos x) 2(sin x cos x)( LHS cos 2x cos x sin 2x cos 2x
Transcribed Image Text:2 sin 4x cos x LHS - 4(sin x cos x) (sin 4x)(cos x) 2(sin x cos x)( Use the Double-Angle Identities as needed, and then simplify by dividing out the common factors. 2(sin 2x)(cos 2x)(cos x) 2(sin x cos x)( LHS cos 2x cos x sin 2x cos 2x
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