Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 8 - Applications of Trigonometric Functions - 8.1 Right Triangle Trigonometry; Applications - 8.1 Assess Your Understanding - Page 519: 46

Answer

$6.43in, 7.66in$

Work Step by Step

Given $c=10cm, A=40^\circ$, we have $a=c\ sinA=10sin40^\circ\approx6.43in$ and $b=c\ cosA=10cos40^\circ\approx7.66in$
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