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

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

Evaluate: (i) int sin^(3)x cos^(5)xdx (ii) int(1)/(sin^(4)x cos^(2)x)dx

(i)intsec^(7) x. sin x dx" "(ii) int(1)/(sinx. cos^(2) x)dx

(i)intsec^(7) x. sin x dx" "(ii) int(1)/(sinx. cos^(2) x)dx

Evaluate: (i) int(1)/(sin^(3)x cos^(5)x)dx (ii) int(1)/(sin^(3)x cos x)dx

(i) int(cos^(3) x+ sin^(3) x)/(sin^(2) x.cos ^(2) x)dx " "(ii) int(cos2x)/(cos^(2) x sin^(2)x) dx

(i) int(cos^(3) x+ sin^(3) x)/(sin^(2) x.cos ^(2) x)dx " "(ii) int(cos2x)/(cos^(2) x sin^(2)x) dx

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

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