Consider the function f(x)= x cos x - sin x , then identify the statement which is correct

Conisider the function f(x) =x cosx-sinx . Then identify the statement which is correct.

Consider the function f(x)= cos x^(2) then

Consider the function f(x) = cos x^(2) . Then

The function f(x) = sin x + cos x will be

The function f(x) = sin ^(-1)(cos x) is

Consider the function f(x)=e^(x) and g(x)=sin^(-1)x, then which of the following is/are necessarily true.

Consider the function f(x)=|x-1|+x^(2) where x in R. Which one of the following statements is correct?