1) 2sin 2) cos² 3) TU 3 COS 2tan TU sin² 6 TU 8 1- tan² TU 3 8 6
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 11E
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