Question

integration of cot x dx​

Answer 1

Step-by-step explanation:

(integral) cot x dx = (integral) cos x

sin x dx

set

u = sin x.

then we find

du = cos x dx

substitute du=cos x, u=sin x

(integral) cos x

sin x dx = (integral)

du

u

solve integral

= ln |u| + C

substitute back u=sin x

= ln |sin x| + C

Answer 2

Answer:

the integration of cotx is log|sinx|