Find the exact value of the expression. 15) sin 185° cos 65° – cos 185° sin 65°

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 1E
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Find the exact value of the expression.
15) sin 185° cos 65° – cos 185° sin 65°
Transcribed Image Text:Find the exact value of the expression. 15) sin 185° cos 65° – cos 185° sin 65°
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