### Home > A2C > Chapter 8 > Lesson 8.1.3 > Problem 8-38

8-38.

Each of the points on the graph below represents the position of a rider on *The Screamer*. Draw a diagram of each rider’s position on a unit circle and describe where the rider is located.

Draw a unit circle. Notice that point A is slightly past 90°. Where is that on the unit circle?

To locate point B, determine how the graph in the problem is scaled.