1 cos 28+ sin 20 1+ cos 28+ sin 20 tan e

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 28E
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Prove 1 - cos2Ø + sin2Ø / 1 + cos2Ø + sin2Ø = tanØ

 

1 cos 28+ sin 20
1+ cos 28+ sin 20
tan @
Transcribed Image Text:1 cos 28+ sin 20 1+ cos 28+ sin 20 tan @
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