Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 5 - Trigonometric Identities - Section 5.2 Verifying Trigonometric Identities - 5.2 Exercises - Page 210: 95

Answer

The equation is NOT an identity.

Work Step by Step

Use a graphing utility to graph $y=\dfrac{\tan{x}-\cot{x}}{\tan{x}+\cot{x}}$ and $y=2\sin^2{x}$. (Refer to the graphs below.) Note that the graphs are different from each other This means that the given equation is not an identity.
Small 1554480277
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.