2. Express sin40 and cos40 in terms of powers of sin 0 and cos e only, respectively.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.5: Product-to-sum And Sum-to-product Formulas
Problem 2E
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2. Express sin40 and cos40 in terms of powers of sin 0 and cos 0 only, respectively.
Transcribed Image Text:2. Express sin40 and cos40 in terms of powers of sin 0 and cos 0 only, respectively.
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