Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 6 - Review Exercises - Page 500: 34


(a) $sin~(\frac{\pi}{18})=0.1736$ (b) $cot~(\frac{5\pi}{6})=-1.7321$

Work Step by Step

Select the radian (RAD) mode. (a) $sin~(\frac{\pi}{18})=0.1736$ (b) $cot~(\frac{5\pi}{6})=\frac{1}{tan~(\frac{5\pi}{6})}=-1.7321$
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