" Find "f'(x)" if "f(x)=(tan x)^(tan x)

Find f(x), when f'(x)=(tan x)/(1+2tan^(2)x) and f((pi)/(2))=sqrt(2)+log(sqrt(2))

f(x)=max{tan x,cot x)

Find f'(x), if f(x)= tan^(-1) ""sqrt((1-cos2x)/(1+cos2x))

The range of f(x)=(1-tan x)/(1+tan x) is

The range of f(x)=(1-tan x)/(1+tan x) is

If f(x) is continuous at x=0 , where f(x)=(sin (a+x)-sin (a-x))/(tan (a+x)-tan (a-x)), x != 0 , then f(0)=

The function f(x)=tan^(-1)(tan x) is

If f(x) = log (tan x), then f^(')(x) =

Find the derivatives of f(x)=tan x at x=0

The function f(x)=tan x-x