Show that the following statement is an identity by transforming the left side into the right side. a. cos ? tan ? = sin ? b. sin ? / csc ? = sin2 ?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
Problem 68E
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Show that the following statement is an identity by transforming the left side into the right side.

a. cos ? tan ? = sin ?

b. sin ? / csc ? = sin2 ?

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