CPM Homework Help : CCA2 Problem 7-54

Find the coordinates of points P and Q on the unit circle at right.

Partial Answer:

$P: \left(\cos50°, \sin50°\right)\\Q: \left(\cos110°, \sin110°\right)$

Unit circle, center at the origin, with line segments, from center, to points on circle, one labeled, p, in first quadrant, & one labeled, q, in second quadrant. Central angles, between each segment & x axis, labeled 50 degrees, & 110 degrees.