pi -- 2 / | | cot(x) | ------- dx | 2 | sin (x) | / pi -- 4
Integral(cot(x)/(sin(x)^2), (x, pi/4, pi/2))
/ | | cot(x) 1 | ------- dx = C - --------- | 2 2 | sin (x) 2*sin (x) | /
1/2
=
0.5
Use the examples entering the upper and lower limits of integration.