int cot^(3)xdx

int cot^(4)xdx cot xdx

int cot^(5)xdx cot xdx

int cot^(2)xdx

int cot^(7)xdx=

Evaluate: (i) int cot^(5)xdx (ii) int cot^(6)xdx

Evaluate: int cot^(6)xdx

Evaluate: (i) int tan^(2)xdx (ii) int cot^(2)xdx

If phi(x)=int cot^(4)xdx+(1)/(3)cot^(3)x-cot x and phi((pi)/(2))=(pi)/(2) then phi(x) is (A) pi-x (B) x-pi (C) (pi)/(2)-x (D) x

Evaluate: (i) int sin^(3)xdx (ii) int cos^(3)xdx( iii )int sin^(3)x cos^(3)xdx

int cos^(3)xdx