Precalculus (6th Edition) Blitzer

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

Chapter 4 - Section 4.6 - Graphs of Other Trigonometric Functions - Exercise Set - Page 611: 70



Work Step by Step

From the graph of $y=csc(x)$, we can determine the range by examining the possible y-values of the function. As $y=csc(x)=\frac{1}{sin(x)}$ and $sin(x)\in [-1,1]$, we can find the range of $y=csc(x)$ as $(-\infty,-1]\cup[1,\infty)$
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