Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 1 - Functions and Their Graphs - Section 1.3 Properties of Functions - 1.3 Assess Your Understanding - Page 75: 31

Answer

(a) $f(\frac{\pi}{2})=1$. (b) $ f(-\frac{\pi}{2})=-1$.

Work Step by Step

(a) Based on the given graph, we can find the local maximum $f(\frac{\pi}{2})=1$. (b) The local minimum $f(-\frac{\pi}{2})=-1$.
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