pi -- 2 / | | _____________ | / 2 | \/ 1 + cot (x) dx | / pi -- 6
Integral(sqrt(1 + cot(x)^2), (x, pi/6, pi/2))
pi -- 2 / | | _____________ | / 2 | \/ 1 + cot (x) dx | / pi -- 6
=
pi -- 2 / | | _____________ | / 2 | \/ 1 + cot (x) dx | / pi -- 6
Use the examples entering the upper and lower limits of integration.