有關工程數學Atan?
回答 (1)
2021-04-06 2:33 am
atan(1) = 45° or π/4
atan(√3) = 60° or π/3
atan(1/√3) = 30° or π/6
atan(-x) = -atan(x)
atan(√3) = 60° or π/3
atan(1/√3) = 30° or π/6
atan(-x) = -atan(x)
收錄日期: 2021-05-04 02:32:09
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20210402160620AAd2als