Trigonometry 7th Edition

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

Chapter 8 - Section 8.1 - Complex Numbers - 8.1 Problem Set - Page 427: 98


$\theta = 150^\circ$

Work Step by Step

For $sin\theta = \frac{1}{2}$ and $\theta$ terminates in the 2nd quadrant QII, $\theta= arcsin(\frac{1}{2})$ $\theta = 150^\circ$ (since $\theta$ terminates in the 2nd quadrant QII)
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