In the xy-plane, an angle in standard position measures 5 π/6 radians. A circle centered at the origin has radius 4 What are the coordinates of the point of intersection of the terminal ray of the angle and the circle?
a. (-2√3, 2)
b. (-√3/2, 1/2)
c. (√3/2 , 1/2)
d. (2√3, 2)