Given a real valued function 'f such that tan x x*-[xi for x>0 1 for x= 0 f(x) = {x}cot{x} for x <0, then the value of cot" (lim f(x)) is (where {} and [] denot

Given a real valued function 'f such that tan x x*-[XI for x>0 1 for X= 0 f(x) = {x}cot{x} for x <0, then the value of cot" (lim f(x)) is (where {} and [] denotes fractional part and greatest integer functions) 0 1. 2 1 -1 3. does not exist. A.