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

Evaluate: (i) int(10x^(9)+10^(x)(log)_(e)10)/(10^(x)+x^(10))dx (ii) int(1-sin2x)/(x+cos^(2)x)dx

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

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

Evaluate: (i) int sec^(2)(7-4x)dx (ii) int(1)/(sin^(2)x cos^(2)x)dx

if int(1)/((sin x)(2cos^(2)x-1))dx=-(1)/(2)A-B then

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

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

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

"int_(0)^( pi/2)(1-sin x)/(cos^(2)x)dx

int(1)/(sin^(2)x.cos^(2)x)dx=