#### Answer

$-82.6783293833^{o}$

#### Work Step by Step

Make sure that the setting for angles is "degrees".
Keys:
"shift" or "2nd function"
"tan"
numerical keypad: (-7.7828641)
"="
yields
$-82.6783293833^{o}$

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

$-82.6783293833^{o}$

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.