2. Prove each identity. a) sin x cos x tan x = 1 - cos²x b) tan²x sin²x = tan²x – sin²x

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
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Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
Problem 61E
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2. Prove each identity.
a) sin x cos x tan x = 1 − cos²x
b) tan²x sin²x = tan²x - sin²x
Transcribed Image Text:2. Prove each identity. a) sin x cos x tan x = 1 − cos²x b) tan²x sin²x = tan²x - sin²x
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