tan反函數角度計算?
回答 (1)
2016-08-16 5:26 am
✔ 最佳答案
Sollim(x->∞)_ArcTan[x/(1－x^2)]
=ArcTan｛lim(x->∞)_[x/(1－x^2)]｝
=ArcTan｛lim(x->∞)_[1/(－2x)]｝
=ArcTan0
=0
收錄日期: 2021-04-30 21:46:34
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160815194634AAE12nT