2 sin ( 1₂ ) cos (1/₂) = √2

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 28E
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2 sin ( 7 ) ses ( #):
12
12
TH
Transcribed Image Text:2 sin ( 7 ) ses ( #): 12 12 TH
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