Integrate the functions`(sinx)/(sin(x-a)`

Explanation

To integrate the function \(\frac{\sin x}{\sin(x-a)} \, dx\), we can follow these steps:

### Step 1: Substitution
Let \( t = x - a \). Then, differentiating both sides with respect to \( x \), we have:
\[ dx = dt \]
This implies:
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