Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.1: Verifying Trigonometric Identities
Problem 20E
Question
100%
Transcribed Image Text:Prove the identity
2
Sin²x =
x
tan ².
1 + tan²x
Use a Pythagoras identity
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