2. [ * xkbr cos*x- sin 3(sin y- cos y)° dv 10. cos y

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 28E
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2. [(cos*
x-sin * xkix
3(sin y- cos y) cy
10.
cos y
Transcribed Image Text:2. [(cos* x-sin * xkix 3(sin y- cos y) cy 10. cos y
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