(a). Determine the coefficient a(n) in each of the following Taylor's series expansions:
(i) sin x= ∞Σ(n=0) a(n)x^(2n+1)
(ii) cos x= ∞Σ(n=0) a(n)x^(2n)
(iii) e^x= ∞Σ(n=0) a(n)x^n
(b). From your results in part (a), derive a relation between e^(ix) and cosx + i sin x
where i^2 = −1.
Taylor’s series
2010-10-24 7:30 am
回答 (1)
2010-10-24 5:09 pm
✔ 最佳答案
===========================================================圖片參考：http://img100.imageshack.us/img100/1533/51717551.png
2010-10-24 09:09:17 補充：
http://img100.imageshack.us/img100/1533/51717551.png
收錄日期: 2021-04-23 23:23:22
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101023000051KK03363