Question Analysis
The main focus is to determine the coordinates on the unit circle for the angle using and , considering its position in the fourth quadrant.
Key Concept Explanation
On the unit circle, coordinates for an angle are given by . For (in QIV), is positive, and is negative. The reference angle is .
Step-by-Step Solution
1. Find the reference angle:
Reference angle = .
2. Apply quadrant signs:
In QIV: , .
3. Use values:
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