Choose the point on the terminal side of -210°. Select one: a. (-1, 1) b. (-1, √3 ) c. ( √3 , -1) d. ( -√3 , 1)
-210° = 360 - 210 = 150°
This is a 30° reference angle in the second quadrant
Tan 30° in the second quadrant = y/x = 1 / -√3
So......(x , y) = d. ( -√3 , 1)