Answer
-1
Work Step by Step
(0,-1)
sin $\frac{3\pi}{2}$ corresponds to y value.
So sin $\frac{3\pi}{2}$ = -1.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
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 - Page 547: 15
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