Find the values of x of which the following functions are identical. `f(x) = cos x and g (x) = 1/(sqrt(1+tan^2x))`

Find the values of x of which the following functions are identical. f(x) = x and g(x) =1/(1//x)

Find the values of x of which the following functions are identical. f(X)=(sqrt(9-x^2))/(sqrt(x-2))and g(x) = sqrt((9-x^2)/(x-2))

Which of the following functions (are) even , odd , or neither ? f(x) = log (x+sqrt(1+x^2))

Which of the following functions (are) even , odd , or neither ? f(x) = sqrt(1+x+x^2)-sqrt(1-x+x^2)

Find the domain and range of the following functions. f(x)=sqrt(x-1)

Write the following functions in the simplest form : tan^(-1) (x/sqrt(a^2-x^2)), |x| lt a

Write the following functions in the simplest form : tan^(-1)(1/sqrt(x^2 -1)), |x| gt 1

Find the domain and range of the following functions: i) f(x)=1/(sqrt(x-5)) ii) f(x)=x/(1+x^2) .

Write the following functions in the simplest form : tan^(-1)((sqrt(1+x^2)-1)/x), x ne 0

Let f and g be two functions defined by f(x)=sqrt(x-1) ,and g(x)=sqrt(4-x^2) .Find fg