Calculus: Early Transcendentals 8th Edition

Published by Cengage Learning
ISBN 10: 1285741552
ISBN 13: 978-1-28574-155-0

APPENDIX D - Trigonometry - D Exercises: 3

Answer

$\frac{\pi}{20}$

Work Step by Step

To convert from degrees to radians, multiply the angle by $\frac{\pi}{180}$: $9\times \frac{\pi}{180} = \frac{\pi}{20}$.
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