#### Answer

$\tan \left( t+\pi \right)=$ $\tan t$ and $\cot \left( t+\pi \right)=$ $\cot t$ , so the tangent and cotangent functions are periodic functions. The period of each of these functions is $\pi $.

#### Work Step by Step

Given above.

Chegg costs money, GradeSaver solutions are free!

Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

Given above.

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.