`I= int (xsinx)/ cos^2x dx`

(i) int (sin x)/(1+ cos x) dx. (ii) int (sin x)/(1+ cos x)^2 dx.

Evaluate: (i) int(sinx)/(1+cos^2x)\ dx (ii) int(2x^3)/(4+x^8)\ dx

I=int(sin x)/(cos 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

(i) int(sinx)/(cos^(5)x)dx

int(xsinx)/(1+cos^2x)dx from 0 to pi

int(xsinx)/(1+cos^2x)dx from 0 to pi

(i) int sin^2x cos^3x dx (ii) int sin^3 x cos^2 x dx (iii) int sin^3 x cos^3 x dx

Evaluate: (i) int(sin4x)/(sin2x)dx( ii) int(sin4x)/(cos2x)dx

Let int(xsinx)/((x cos x-sin x)^(2))dx then