int cosec^(2)x*cot xdx

int cosec^(2)xdx

int cosec^(4)xdx

int cot^(2)xdx

If u=int cosec^(2)xdx , v=int cosec x cot xdx ,assuming the constant of integration to be zero then find u+v

int " cosec"^(m) x cot x dx =

int cot^(4)xdx cot xdx

int cot^(5)xdx cot xdx

int cosec^(-1)xdx

int(Cot^(2)x)/((cosec^(2)x+cosec x))dx