" 13."int(1-sin x)/(cos^(2)x)dx

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

int(1-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

int(sin2x)/((1+cos2x)^(2))dx

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

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

int(2+sin2x)/(1+cos2 x)dx

int(1)/(cos^(2)x+sin2x)dx

int(1)/(cos2x+sin^(2)x)dx

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