Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 5 - Trigonometric Functions - 5.3 Trigonometric Functions - 5.3 Exercises - Page 534: 140

Answer

$2800\ lb$

Work Step by Step

Following Example-10 with the formula $F=W\ sin\theta$. We have $-145=W\ sin(-3^\circ)$, thus $W=\frac{-145}{sin(-3^\circ)}\approx2800\ lb$
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