" 12 . Function " ( sin x ) / ( 1 + tan x ) " Find the highest and lowest values of."

If sin x= 1 , then find the value of tan (x)/(3) .

If sin x= 1 , then find the value of tan (x)/(3) .

If (cos 12^@ + sin 12^@)/(cos 12^@ -sin 12^@)=tan x^@ , what is the value of x.

The function Tan^(-1) (sin x) increasing in

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

If the function f(x)=(tan(tan x)-sin(sin x))/(tan x-sin x)(x!=0): is continuous at x=0, then find the value of f(0)