Answer
$b \approx5.03$, $c \approx7.83$, $A =50^\circ$.
Work Step by Step
Given $a=6, B=40^\circ$, we have $b=a\ tanB=6tan40^\circ\approx5.03$, $c=a\ secB=6sec40^\circ\approx7.83$, $A=90^\circ-B=50^\circ$.
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 7 - Applications of Trigonometric Functions - Section 7.1 Right Triangle Trigonometry ; Applications - 7.1 Assess Your Understanding - Page 540: 31
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.
