Algebra and Trigonometry 10th Edition

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

Chapter 7 - P.S. Problem Solving - Page 557: 9a


$F=\dfrac{0.6 W \ \cos \theta}{\sin 12^{\circ}}$

Work Step by Step

We simplify the model as: $F=\dfrac{0.6 W(\sin \theta \cos 90^{\circ}+\cos \theta \sin 90^{\circ})}{\sin 12^{\circ}} \\=\dfrac{0.6 W(\sin \theta (0)+\cos \theta (1))}{\sin 12^{\circ}} \\=\dfrac{0.6 W \times (\cos \theta)}{\sin 12^{\circ}}$
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