x^2/2*ctgx
x^2*cot(x)/2
x^1*cot(x)
x^2/((2*cot(x)))
x^2*x/((2*cot(x)))
x*2/(2*cot(x))
1 / | | 2 | x *cot(x) | --------- dx | 2 | / 0
Integral(x^2*cot(x)/2, (x, 0, 1))
0.206337648765925
Use the examples entering the upper and lower limits of integration.