Evaluate the following: `int_0^pi (xtanx)/(secxcosecx)dx`

int_(0)^(pi)(xtanx)/(secx+cosx)dx=

Evaluate the following: int_0^pi cos x dx

int_0^pi (xtanx)/(secx+tanx)dx

Evaluate the following: int_0^(pi/3)[tanx]dx

Evaluate the following integral: int_0^pi(xtanx)/(secx\ cos e c\ x)dx

Evaluate the following integral: int_0^pi(xtanx)/(secx\ cos e c\ x)dx

Evaluate the following: int_0^(pi/2) dx/(1+tanx)

Using properties of definite integrals, prove the following : int_o^pi(xtanx)/(secx\ cos e c\ x)\ dx=(pi^2)/4

Evaluate the following: int_0^(pi/2)dx/(1+cosx)

int_0^pi((xtanx)/(secx+tanx)) dx