1⼀(1-cosx)的原函数怎么求

2024-12-02 12:40:43
推荐回答(1个)
回答1:

∫ dx/(1-cosx)

=(1/2)∫ dx/(sin(x/2))^2
=(1/2)∫( csc(x/2) )^2dx
= -cot(x/2) + C