Algebra-2

Question Analysis
This problem assesses the student's understanding of the coordinates on the unit circle for a given angle.

Key Concept Explanation
The coordinates of a point on the unit circle corresponding to an angle are given by . For , which is in the second quadrant, the cosine value is negative and the sine value is positive.

Step-by-step Solution
1. Identify the reference angle for , which is .
2. Use the 45-45-90 triangle properties to find the coordinates: