Show that the following is true. sin(x - ) We begin on the left side of the equation by using a Difference Formula. We can then final all exact values and simplify. sinlx-플): = -COS X = (sin x)(cos x )- (cos x)(sin ) = (sin x)( 1 - (cos x)(1) = - COS X

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 72E
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Show that the following is true.
sin(x - )
We begin on the left side of the equation by using a Difference Formula. We can then final all exact values and simplify.
sinlx-플):
= -COS X
= (sin x)(cos x
)- (cos x)(sin )
= (sin x)( 1
- (cos x)(1)
= - COS X
Transcribed Image Text:Show that the following is true. sin(x - ) We begin on the left side of the equation by using a Difference Formula. We can then final all exact values and simplify. sinlx-플): = -COS X = (sin x)(cos x )- (cos x)(sin ) = (sin x)( 1 - (cos x)(1) = - COS X
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