Calculus 8th Edition

Published by Cengage
ISBN 10: 1285740629
ISBN 13: 978-1-28574-062-1

Appendix D - Trigonometry - D Exercises - Page A32: 37


$x= 24.62147$ cm

Work Step by Step

Since, opp =x and adj=25 cm Thus, $tan\theta=\frac{opp}{adj}$ $tan(\frac{2\pi}{5})=\frac{x}{8 }$ Need to solve $x$. $x=tan(\frac{2\pi}{5})\times 8$ Hence, $x= 24.62147$ cm
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