50° 60° 70° ?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 16E
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50°
60° 70°
?
Transcribed Image Text:50° 60° 70° ?
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