Calculus 8th Edition

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

Appendix D - Trigonometry - D Exercises: 36

Answer

$x= 19.15111$

Work Step by Step

Since, adj =x and hyp=25 cm Thus, $cos\theta=\frac{adj}{hyp}$ $cos40^{\circ}=\frac{x}{25}$ Need to solve $x$. $x=cos40^{\circ}\times25$ Hence, $x= 19.15111$ cm
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