7*(sin2x)/(1-cos2x)=cot x

(sin2x)/(1+cos2x)=tan x

Evaluate: int cot^-1((sin2x)/(1-cos2x))dx

int cot^(-1)((sin2x)/(1-cos2x)) dx = ?

(sin 2x)/(1- cos 2x ) = cot x

prove that: (sin2x-sin2y)/(cos2y-cos2x)=cot(x+y)

Evaluate: (i) int cot^(-1)((sin2x)/(1-cos2x))dx (ii) int sin^(-1)((2tan x)/(1+tan^(2)x))dx

(d)/(dx)[(1+cos2x+sin2x)/(1+sin2x-cos2x)]=

Prove that: (1+sin2x-cos2x)/(1+sin2x+cos2x)=tanx

If y= (sin^(2)x)/(1+cot x)+ (cos^(2)x)/(1+tan x) , then y'(x) is equal to

Integrate the following: int{(5cos^(3)x+2sin^(3)x)/(2sin^(2)x*cos^(2)x)+sqrt(1+sin2x)+(1+2sin x)/(cos^(2)x)+(1-cos2x)/(1+cos2x)}dx