Find the domain of `f(x)=sqrt(cos^(-1)x-sin^(-1)x)`

Explanation

To find the domain of the function \( f(x) = \sqrt{\cos^{-1} x - \sin^{-1} x} \), we need to ensure that the expression inside the square root is non-negative. This means we need to solve the inequality:

\[ \cos^{-1} x - \sin^{-1} x \geq 0 \]

### Step 1: Understand the relationship between \( \cos^{-1} x \) and \( \sin^{-1} x \)

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