Algebra-2

Question Analysis
This problem tests the ability to convert a negative angle to a positive angle and then find the corresponding coordinates on the unit circle.

Key Concept Explanation
A negative angle can be converted to a positive angle by adding . The coordinates of the point on the unit circle for an angle are . The angle is equivalent to (since ), which is in the third quadrant where both and are negative.

Step-by-step Solution
1. Convert to a positive angle:

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