pi -- 2 / | | / 2 \ | \1 + cot (x)/ dx | / pi -- 4
Integral(1 + cot(x)^2, (x, pi/4, pi/2))
Integrate term-by-term:
Don't know the steps in finding this integral.
But the integral is
The integral of a constant is the constant times the variable of integration:
The result is:
Now simplify:
Add the constant of integration:
The answer is:
/ | | / 2 \ cos(x) | \1 + cot (x)/ dx = C - ------ | sin(x) /
Use the examples entering the upper and lower limits of integration.