Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 7 - 7.4 - Sum and Difference Equations - 7.4 Exercises - Page 539: 79b



Work Step by Step

From part (a), we have: $y=\sqrt {(1/3)^2+(1/4)^2} \sin 2t+\arctan \dfrac{1/4}{1/3}$ This implies that $y=\dfrac{5}{12}\sin 2t+0.6435$ The amplitude is the absolute value of the coefficient of a trigonometric function. Thus, we have: $Amplitude=|\dfrac{5}{12}|=\dfrac{5}{12}$
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.