Use the fundamental ident (sin^(2)a)/((1-cosa))

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.5: Trigonometric Form For Complex Numbers
Problem 26E
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Use the fundamental ident (sin^(2)a)/((1-cosa))

 

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