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

Evaluate the following : int (1-cos x)/(1+ cos x) dx.

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

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

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

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

Evaluate: int(1-cos x)/(cos x(1+cos x))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

int (1-cos x)/(1+cos x) dx=?

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

int (1-cos x)/(1+cos x) dx=?