46 a Show that cos x+ =-sinx. = -sinx. d" (cosx) = cosx + drn b Prove that

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 106E
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TC
46 a Show that cos x +
= -sinx.
%3D
d"
(cosx) cosx+
NT
b Prove that
%3D
dr"
2/
Transcribed Image Text:TC 46 a Show that cos x + = -sinx. %3D d" (cosx) cosx+ NT b Prove that %3D dr" 2/
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