`int(1)/(cos x . cot x ) dx`

int(1)/(csc x-cot x)dx=

Evaluate: ( i int(cos x)/(1-cos x)dx or int(cot x)/(csc x-cot x)dx (ii) int(cos^(2)x-sin^(2)x)/(sqrt(1+cos4x))dx

(i) int (1-tanx)/(1+tanx) dx (ii) int (1- cot x)/(1+ cot x) dx

Integrate int(1)/(1+cot x)dx

int(dx)/(1+cot x)1+cot x

int(1+cos4x)/(cot x-tan x)dx

int(1+cos4x)/(cot x-tan x)dx

(i) int sqrt(1+ sin .(x)/(2)dx) (ii) int (1+cos 4x)/(cot x- tan x)dx