int_(0)^(1)(x sin x)/(1+cos^(2)x)dx

int_(0)^( pi)(sin x)/(1+cos^(2)x)dx =

If I_(1) = int_(0)^(pi) (x sin x)/(1+cos^2x) dx , I_(2) = int_(0)^(pi) x sin^(4)xdx then, I_(1) : I_(2) is equal to

If I_(1) = int_(0)^(pi) (x sin x)/(1+cos^2x) dx , I_(2) = int_(0)^(pi) x sin^(4)xdx then, I_(1) : I_(2) is equal to

Evaluate (i) int_0^pi (x sin x)/(1+cos^2 x) dx Evaluate (ii) int_0^pi (4x sin x)/(1+ cos^2 x) dx

int_(0)^(pi//2) (sin x)/(1 +cos^2) dx .

int_(0)^( pi/2)(sin x)/(1+cos x)dx

int_(0)^(pi)(cos x)/(1-sin^(m)x)dx

int_(0)^((pi)/(2))(cos^(2) x sin x)/(sqrt(1+cos^(2)x))dx

int_ (0) ^ (pi) (2x (1 + sin x)) / (1 + cos ^ (2) x) dx