Answer
sin(u)cos(v) = $\frac{1}{2}[sin(u + v) + sin (u - v)]$
Work Step by Step
sin(u)cos(v) = $\frac{1}{2}[sin(u + v) + sin (u - v)]$
From the Product to Sum Formula
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 7 - 7.5 - Multiple-Angle and Product-to-Sum Formulas - 7.5 Exercises - Page 548: 3
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