Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 7 - Trigonometry and Periodic Functions - Strengthen Your Understanding - Page 321: 77



Work Step by Step

Using the unit circle, we find: $$\sin \left(\frac{\pi }{3}\right) = \frac{\sqrt{3}}{2}$$ Thus, it follows that the arcsine of $\frac{\sqrt{3}}{2}$ must equal $\frac{\pi }{3}$.
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