Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 8 - Applications of Trigonometric Functions - 8.1 Right Triangle Trigonometry; Applications - 8.1 Assess Your Understanding - Page 519: 40

Answer

$c \approx8.25, A \approx14.0^\circ, B \approx76.0^\circ$

Work Step by Step

Given $a=2, b=8$, we have $c=\sqrt {a^2+b^2}=\sqrt {68}\approx8.25, A=tan^{-1}\frac{a}{b}=tan^{-1}\frac{2}{8}\approx14.0^\circ, B=90^\circ-A\approx76.0^\circ$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.