Unit Circle Points
- Author:
- Doug Ray
- Topic:
- Circle, Unit Circle
Points on the Unit Circle
As the standard position angle changes, the point on the terminal side of the angle and on the unit circle also moves around. The coordinates for point are shown at the top.
Note that and from the coordinates of the point .
The special angles of , , and reveal the exact fractional form of those angles.
What is the value of ?