Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 4 - Section 4.1 - Basic Graphs - 4.1 Problem Set - Page 192: 45

Answer

1/3

Work Step by Step

Since sine is an odd function, $\sin(-\theta)=-\sin(\theta)$. As $\sin(\theta)=-1/3$, $\sin(-\theta)=1/3$.
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