Precalculus (6th Edition) Blitzer

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

Chapter 4 - Section 4.2 - Trigonometric Functions: The Unit Circle - Exercise Set: 15

Answer

-1

Work Step by Step

(0,-1) sin $\frac{3\pi}{2}$ corresponds to y value. So sin $\frac{3\pi}{2}$ = -1.
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