Q2\ Prove the following identities sin 20+cos 20+1 a) = cote sin 20-cos 20+1

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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Q2\ Prove the following identities
sin 20+cos 20+1
a)
= cote
sin 20-cos 20+1
Transcribed Image Text:Q2\ Prove the following identities sin 20+cos 20+1 a) = cote sin 20-cos 20+1
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