cos( - x) = O sin( - x) O cos( + x) cos( - x) sin( + x)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section: Chapter Questions
Problem 22RE
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cos( - x) =
sin( - x)
cos( I + x)
cos( - x)
sin( + x)
Transcribed Image Text:cos( - x) = sin( - x) cos( I + x) cos( - x) sin( + x)
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