int((cos x)/(1-cos^(2)x))dx=

Evaluate the following integrals: (i) int((1-cos2x)/(1+cos2x))dx (ii) int((1+cos2x)/(1-cos2x))dx

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

int(1+cos 2x)/(1-cos 2x)dx

int(1+cos 2x)/(1-cos 2x)dx

int(1)/(cos x-cos^(2)x)dx=

Evaluate: int(cos x)/((1)/(4)-cos^(2)x)dx

int(1+cos^(2)x)/(1-cos2x)dx=

Evaluate : (i) int((4-5 cosx)/(sin^(2)x))dx , (ii) int((1-cos2x)/(1+cos2x)) dx (iii) int (1)/(sin^(2)x cos^(2)x) dx , (iv) int(cos2x)/(cos^(2)x sin^(2) x) dx

inte^(x) ((1+sinx.cos x)/(1+cos2x))dx =