how to calculate sin function without calculator?
by example
y=sin t
when t = pi / 6 ; y = 1/2
when t = pi / 2 ; y = 1
when t = pi ; y = 0
收錄日期: 2021-04-18 19:57:21
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061127000051KK00539