" 11."int(cot^(2)x)/((cosec^(2)x+cosec x))dx=

int (sec^2x)/(cosec^2x) dx

int(cot^2x-cosec^2x)/x^2dx

(1) int cot^(2)x,*cosec^(2)xdx

int cot^(3) x. cosec^(2) x dx

int cot^(3) x. cosec^(2) x dx

int (cot x)/((cosec x - cot x)) dx = ?

int ("cosec"^(2)x)/((1-cot^(2)x))dx=?

int sec^(2)"cosec"^(2) x dx=

If int(cosec^(2)x)/((cosec x+cot x)^(9/2))dx =(cosec x-cot x)^(7/2)((1)/(alpha)+((cosec x-cot x)^(2))/(11))+C (where C is constant of integration and a in N ),then a is -

int(1)/(sqrt("cosec"^(2)x+cot^(2)x))dx=