Geometry

Question Analysis  

The main focus is to determine the coordinates on the unit circle for the angle (330°) using and , considering its position in the fourth quadrant.  

 

Key Concept Explanation  

On the unit circle, coordinates for are . For angles in the fourth quadrant ( < < ), is positive and is negative. The reference angle for is (30°).  

 

Step-by-Step Solution  

1. Find the reference angle:  

Reference angle = .  

2. Apply quadrant signs:  

In QIV, is positive, is negative.  

3. Use values:  

→

Click "Show Answer" to reveal the answer and analysis