int(sec x+2cot^(2)x+cos^(2)x)/(cos x)dx

Evaluate the following integrals : int (sec x + 2 cot ^(2) x + cos^(2) x )/(cos x ) dx

int (cos 2x)/(cos x)dx=

int sec^(2)x cos^(2)(2x)dx

int(cos 2x)/(cos x) dx=

int(cos3x-cos2x)/(cos x)dx

int(sec^(2)x)/(cos ec^(2)x)dx

Evaluate: (i) int(cos2x+2s epsilon^(2)x)/(s in^(2)x)dx (ii) int(2cos^(2)x-cos2x)/(cos^(2)x)dx

Evaluate : (i) int(cos2x+2sin^(2)x)/(sin^(2)x)dx (ii) int(2cos^(2)x-cos2x)/(cos^(2)x)dx

int(cos x-cos2x)/(1-cos x)*dx

Evaluate: ( i int(cos x)/(1-cos x)dx or int(cot x)/(csc x-cot x)dx (ii) int(cos^(2)x-sin^(2)x)/(sqrt(1+cos4x))dx