Geometry

Question Analysis  

The question asks which angle corresponds to the unit circle coordinates , focusing on identifying angles using 30-60-90 triangle ratios in Quadrant I.  

 

Key Concept Explanation  

30-60-90 Triangle Ratios:  

At 30°, (x-coordinate), (y-coordinate).  

 

Step-by-Step Solution  

1. Recall 30-60-90 coordinates:  

30°: ,  

60°: .  

2. Match coordinates to angles:  

The given