Algebra-2

Question Analysis
This problem assesses the ability to find the reference angle for an angle in the third quadrant.

Key Concept Explanation
The reference angle is the smallest angle formed between the terminal side of an angle and the x-axis. For an angle in the third quadrant, the reference angle is found by subtracting from the given angle.

Step-by-step Solution
1. Identify the quadrant: Third quadrant (between and )
2. Calculate the reference angle:

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