Integrate the following w.r.t x
`(sin x - cos x)^(2)`

Explanation

To solve the integral of \((\sin x - \cos x)^2\) with respect to \(x\), we can follow these steps:

### Step 1: Expand the expression
We start with the expression \((\sin x - \cos x)^2\). We can expand this using the formula \((a - b)^2 = a^2 - 2ab + b^2\):

\[ (\sin x - \cos x)^2 = \sin^2 x - 2\sin x \cos x + \cos^2 x \]
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