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 - Page 547: 17



Work Step by Step

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