:R rarr R" is function defined by "f(x)=[x]cos(((2x-1)/(2))pi)" where "[.]" denotes GIF,then "f" is "

If f: R rarr R is a function defined by f(x)=[x]cos((2x-1)/2)pi , where [x] denotes the greatest integer function, then f is

If f: R rarr R is a function defined by: f(x) = [x] cos((2x-1)/2)pi , where [x] denotes the greatest integer function, then 'f' is

If f : R rarr R is a function defined by : f(x) = [x] c cos ((2x - 1)/(2))pi, where [x] denotes the greatest integer function, then 'f' is :

If f: R to R is function defined by f(x) = [x-1] cos ( (2x -1)/(2)) pi , where [.] denotes the greatest integer function , then f is :

If f:RR to RR is a function defined by f(x)=[x]cos((2x-1)/(2))pi , where [x] denotes the greatest integer function, then f is-

If f:R to R is function defined by f(x) = [x]^3 cos ((2x-1)/2)pi , where [x] denotes the greatest integer function, then f is :

Let f:(1,3)rarr R be a function defined by f(x)=(x[x])/(1+x^(2)) , where [x] denotes the greatest integer <=x .Then the range of f is