Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 9 - Section 9.3 - The Parabola - Exercise Set - Page 999: 104


See explanations.

Work Step by Step

Using the Addition Formula, we have $LHS=sin(\frac{3\pi}{2})cos(x)-cos(\frac{3\pi}{2})sin(x)=-cos(x)-0=-cos(x)=RHS$ Thus, we verified the identify.
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