Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 2 - Section 2.3 - Solving Right Triangles - 2.3 Problem Set: 43

Answer

Chapter 2 - Section 2.3 Problem Set: 43 (Answer) Refer to Figure I $r = 16$ (To the nearest digit)
1490333198

Work Step by Step

Chapter 2 - Section 2.3 Problem Set: 43 (Solution) Refer to Figure I In $\triangle$CDA, $\cos 65^{\circ} = \frac{r}{r+x}$ $\cos 65^{\circ} = \frac{r}{r+22}$ $r = \frac{22\cos 65^{\circ}}{(1 - \cos 65^{\circ})}$ $r = 16$ (To the nearest digit)
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