(i) `int cos^(4)xdx`

int sec^(4)xdx

Evaluate: (i) int cot^2x cosec^4xdx (ii) int cosec^4xdx

int sec^(3)xdx

(1) int sin^(4)xdx

int cos^(2)x sin xdx

Evaluate: (i) int sin^2xdx (ii) int cos^2xdx (iii) int sin^2x. cos^2xdx

7. int sec^(3)xdx

int cot^2xdx=

Consider the definite integrals A=int_(0)^(pi)sinx cosx^(2)xdx and B=int_(0)^((pi)/(2))sinx cos^(2)xdx . Then,

Evaluate the following integrals : (i) int sin^(4)xcos^(2)xdx (ii) intsec^((4)/(9))x cosec^((14)/(9))xdx