Let `f(x)= cos^(-1)((x^(2))/(x^(2)+1))`. Then , the range of the f , is

let f(x)=cos^(-1)((x^(2))/(1+x^(2))) the range of f is

Let f(x)=cos^(-1)(2x^(2)-1) then

If f (x) =(x^(2))/(1+x^(2)), then the range of f is -

Let f(x)=cos^(-1)((x^2)/(1+x^2)) . The range of f is a) [0,pi/2] b) [-pi/2,pi/2] c) [-pi/2,0] d)None of these

Let f(x)=4cos sqrt(x^(2)-(pi^(2))/(9)) Then the range of f(x) is

Let f(x) = (x^(2))/((1+x^(2)) .Then range (f ) =?

Suppose [x] = greatest integer le x Let f(x) = sin^(-1)[x^(2) + 1/2]-cos^(-1)[x^(2)-1/2] , Then range of f is:

If f(x)=cos^(-1)(x) and g(x)=x^(2) , then range of f(g(x)) is)

If f(x)= x^2/(1+x^2) then the range of f is

Range of f(x)=cos^(-1)((sqrt(1+2x^(2)))/(1+x^(2)))