`y=[(1-tan x)/(1+tan x)],` then the value of `(dy)/(dx)`

If y=tan^(-1)sqrt((1-sin x)/(1+sin x)), then the value of (dy)/(dx) at x=(pi)/(6) is.

If y = tan^(-1) sqrt((1-sinx)/(1+sinx)) , then the value of (dy)/(dx) "at x = (pi)/(6) is

If y=log sin x+tan x, then Find the value of (dy)/(dx)

If y=tan^(-1)((cos x+1)/sinx) ,then the value of " (dy)/(dx) =

If y=tan^(-1)(cos x) ,then the value of " (dy)/(dx) =

(v) Let x,y in R satisfying the equation tan^(-1)x+tan^(-1)y+tan^(-1)(xy)=(11 pi)/(12) ,then find the value of (dy)/(dx) at x=1 .

If y = sqrt((1 + tan x)/(1 - tan x)) " then " (dy)/(dx)= ?

If y={(1-tan x)/(1+tan x)}, show that (dy)/(dx)=(-2)/(1+sin2x)

If y=log sqrt((1-tan x)/(1+tan x)), prove that (dy)/(dx)=sec2x

If y=x^(tan x)+(tan x)^(x) , then find (dy)/(dx)