Show that the following is true. sin(x 프2 = -COS X We begin on the left side of the equation by using a Difference Formula. We can then final all exact values and simplify sin(x -2 (sin x) cos - (cos x) sin (sin x) - (cos x)(1) = -COS X

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 43E
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Show that the following is true.
sin(x
프2
= -COS X
We begin on the left side of the equation by using a Difference Formula. We can then final all exact values and
simplify
sin(x -2
(sin x) cos
- (cos x) sin
(sin x)
- (cos x)(1)
= -COS X
Transcribed Image Text:Show that the following is true. sin(x 프2 = -COS X We begin on the left side of the equation by using a Difference Formula. We can then final all exact values and simplify sin(x -2 (sin x) cos - (cos x) sin (sin x) - (cos x)(1) = -COS X
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