Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 2 - Section 2.1 - Definition II: Right Triangle Trigonometry - 2.1 Problem Set: 50

Answer

3

Work Step by Step

Given expression = 3 $\sin2y$ = 3 $\sin2 (45^{\circ})$ ( replacing $ y$ with $ 45^{\circ}$) = 3 $\sin90^{\circ}$ = 3 $ \times (1)$ ( substituting exact value of $\sin 90^{\circ}$) = 3
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.