Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. (a) 2 sin(19°) cos(19°) (b) 2 sin(3theta) cos(3theta)
Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. (a) 2 sin(19°) cos(19°) (b) 2 sin(3theta) cos(3theta)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 15E
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Simplify the expression by using a Double-
(a) 2 sin(19°) cos(19°) (b) 2 sin(3theta) cos(3theta)
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