Calculus: Early Transcendentals 8th Edition

Published by Cengage Learning
ISBN 10: 1285741552
ISBN 13: 978-1-28574-155-0

Chapter 11 - Review - Exercises - Page 786: 45

Answer

$sinx=\frac{1}{2}\Sigma_{n=0}^{\infty}(-1)^{n}[\frac{1}{(2n)!} (x-\frac{\pi}{6})^{2n}+\frac{\sqrt 3}{(2n+1)!}(x-\frac{\pi}{6})^{(2n+1)}]$

Work Step by Step

Taylor series: $f(x)=f(a)+\frac{f'(a)}{1!}(x-a)+\frac{f''(a)}{2!}(x-a)^{2}+...$ $sinx=\frac{1}{2}+\frac{\sqrt 3}{2} (x-\frac{\pi}{6})-\frac{1}{2.2!}(x-\frac{\pi}{6})^{2}-...$ $sinx=\Sigma_{n=0}^{\infty}(-1)^{n}[\frac{1}{2(2n)!} (x-\frac{\pi}{6})^{2n}+\frac{\sqrt 3}{2.(2n+1)!}(x-\frac{\pi}{6})^{(2n+1)}]$ Hence, $sinx=\frac{1}{2}\Sigma_{n=0}^{\infty}(-1)^{n}[\frac{1}{(2n)!} (x-\frac{\pi}{6})^{2n}+\frac{\sqrt 3}{(2n+1)!}(x-\frac{\pi}{6})^{(2n+1)}]$
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.