Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 2 - Acute Angles and Right Triangles - Section 2.4 Solving Right Triangles - 2.4 Exercises - Page 79: 47


$x \approx 82 ft$ $y \approx 98ft$

Work Step by Step

1. Use tangent to find x $\tan 20^{\circ} =\frac{30}{x}$ $x\approx 82 ft$ 2. Use tangent of another angle to find y $\tan 50^{\circ} = \frac{y}{x}$ Calculating this use the exact value of x from the calculator $y\approx 98 ft$
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