steps should be clearly shown.......
更新1:
urgent gagagagagagagagagga
trig ratio of f2
2013-05-24 7:18 am
Simplify (1-sin fiter )/cos fiter +(cos fiter /1-sin fiter )
steps should be clearly shown.......
steps should be clearly shown.......
回答 (2)
2013-05-24 7:46 am
✔ 最佳答案
(1 - sinθ)/cosθ + cosθ/(1 - sinθ)= [(1 - sinθ)^2 + (cosθ)^2]/cosθ(1 - sinθ)
= [(1 - 2sinθ + (sinθ)^2 + (cosθ)^2]/cosθ(1 - sinθ)
= (2 - 2sinθ)/cosθ(1 - sinθ)
= 2/cosθ
2013-05-25 1:32 am
I know corrections are annoying, but "fiter" should be the Greek letter "theta"(θ). Hope you don't mind me correcting you :D
收錄日期: 2021-04-23 23:21:52
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130523000051KK00331