bn= sin( (nπ) / 2)
更新1:
bn = sin ( (n*pi) / 2)
更新2:
How? can you show me the steps please? Thanks!
bn = sin ( (n*pi) / 2)
How? can you show me the steps please? Thanks!
收錄日期: 2021-04-26 14:01:08
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100225000051KK00603