" Evaluate "int(1+cos x)/(1-cos x)dx

int(cos x)/(1-cos x)dx

int(cos x)/(1+cos x)dx

Evaluate int(1-cos2x)/(1+cos2x)dx.

Evaluate int sqrt((1+cos x)/(1-cos x))dx

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

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

Evaluate: (i) int(1-cos x)/(1+cos x)dx (ii) int{3sin x-4cos x+(5)/(cos^(2)x)-(6)/(sin^(2)x)+tan^(2)x-cot^(2)x}dx

Evaluate int(cosx-cos2 x)/(1-cos x) dx

Evaluate: int(cos x-cos 2x)/(1-cosx)dx .

Evaluate: int(cos x-cos2x)/(1-cos x)dx