`int_0^(pi) [cotx]`dx

Evaluate: int_0^(pi/2)xcotx dx

Evaluate: int_0^(pi/2)xcosx dx

Evaluate int_(0)^(pi) cotx.cos2xdx

Evaluate: int_0^(pi//2)cosx\ dx

int_(0)^(pi)|cosx|dx=?

If I_I=int_0^(pi//2)cos(sinx)dx ,I_2=int_0^(pi/2)sin(cosx)dx \ ,a n d \ I_3=int_0^(pi/2)cosx dx , then find the order in which the values I_1,I_2,I_3, exist.

Find the value of int_0^(2pi) |sinx|dx

Find I=int_0^pi ln(1+cosx)dx

Evaluate the definite integrals int_0^(pi/4)(tanx)dx

If int_0^pi x f(sinx) dx=A int_0^(pi/2) f(sinx)dx , then A is (A) pi/2 (B) pi (C) 0 (D) 2pi