Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 2 - Acute Angles and Right Triangles - Section 2.1 Trigonometric Functions of Acute Angles - 2.1 Exercises - Page 54: 82

Answer

$m=\frac{7 \sqrt 3}{3}$ $a= \frac{14\sqrt 3}{3}$ $n=\frac{14\sqrt 3}{3}$ $q=\frac{14\sqrt 6}{3}$

Work Step by Step

The reference triangles provide ratios of the sides. As we start with the hypotenuse of a 30-60-90 triangle, we can determine its other tow sides. After, we use the ratios of a 45-45-90 triangle. $m=\frac{7}{\sqrt 3}=\frac{7 \sqrt 3}{3}$ $a = 2m$ $a= \frac{14\sqrt 3}{3}$ $a=n=\frac{14\sqrt 3}{3}$ $q=\sqrt 2 n$ $q=\frac{14\sqrt 6}{3}$
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