Find the value of `sin^(-1)(sin.(5pi)/3)`.

Explanation

To find the value of \( \sin^{-1}(\sin(5\pi/3)) \), we will follow these steps:

### Step 1: Identify the angle
The angle \( 5\pi/3 \) is not in the principal range of the sine inverse function, which is \( [-\pi/2, \pi/2] \). Therefore, we need to find an equivalent angle that lies within this range.

**Hint:** The sine function is periodic and has a specific symmetry that can help us find an equivalent angle.

### Step 2: Find the equivalent angle
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