Verify the identity. sin 160 4 cos³40 sin 40-4 sin³40 cos 40 Statement sin 168 Rule Pythagorean

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 18E
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Verify the identity.
sin 160 4 cos³40 sin 40-4 sin³40 cos 40
Statement
sin 168
Rule
Pythagorean
Transcribed Image Text:Verify the identity. sin 160 4 cos³40 sin 40-4 sin³40 cos 40 Statement sin 168 Rule Pythagorean
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