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 - Page 80: 18

Answer

$\angle A = 31.6˚$

Work Step by Step

Let $x = \angle A$ $tan(x) = \frac{16}{26}$ $x = tan^{-1}(\frac{16}{26})$ by GDC / calculator $x = 31.6075...˚$ $\angle A = 31.6˚$
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