Answer
$B \approx23.6^\circ$;
$A \approx66.4^\circ$;
$a \approx4.58$
Work Step by Step
Step 1. $B=sin^{-1}\frac{2}{5}\approx23.6^\circ$;
Step 2. $A=90-B\approx66.4^\circ$;
Step 3. $a=5cos23.6^\circ\approx4.58$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 8 - Applications of Trigonometric Functions - Chapter Review - Review Exercises - Page 557: 7
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
