3. Prove that sin 2x 2 cot x CSC² x is an identity.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.1: Verifying Trigonometric Identities
Problem 20E
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3. Prove that sin 2x
2 cot x
CSC² x
is an identity.
Transcribed Image Text:3. Prove that sin 2x 2 cot x CSC² x is an identity.
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