Show that each of the following statements is an identity by transforming the left side ofeach one into the right side     (1 - cos theta ) ( 1+ cos theta ) =  sin 2  theta

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
Problem 66E
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Show that each of the following statements is an identity by transforming the left side ofeach one into the right side

 

 

(1 - cos theta ) ( 1+ cos theta ) =  sin 2  theta

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