Evaluate : `int"sin"^(2) " x dx "`

Explanation

To evaluate the integral \( \int \sin^2 x \, dx \), we can use the trigonometric identity for \( \sin^2 x \).

### Step-by-Step Solution:

1. **Use the Identity**:
We know from trigonometric identities that:
\[
\sin^2 x = \frac{1 - \cos(2x)}{2}
...