Express cos (a) in terms of cos(2a). Express sin (a) in terms of cos(2a). cos²(a) Choose... sin?(æ) Choose...

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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Express cos (a) in terms of cos(2a).
Express sin (a) in terms of cos(2a).
cos² (a)
Choose...
sin (a)
Choose...
Transcribed Image Text:Express cos (a) in terms of cos(2a). Express sin (a) in terms of cos(2a). cos² (a) Choose... sin (a) Choose...
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