`int(x sin x)/(cos^(2)x)dx`

int(sin x)/(cos^(2)x)dx

int(sin x)/(cos^(2)x)dx

I= int_0^(pi)(x sin x)/(1+cos^(2)x)dx

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

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

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

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

Find the following integrals: ( i ) int(sin x+cos x)dx( ii) int cos ecx(cos ecx+cos x)dx( iii) int(1-sin x)/(cos^(2)x)dx

Prove that : int_(0)^(pi) (x sin x)/(1+cos^(2)x) dx =(pi^(2))/(4)

Evaluate: int(1-sin2x)/(x+cos^(2)x)dx