Let (-1, 3) be an ordered pair on the terminal side of the angle (in standard position). (a, b, c, each worth 20 points)

1. Draw a picture of the angle in the circle and find the radius of the circle.

1. Find the exact value of cos and csc . Leave your answers in reduced radical form.

1. Notice that cos does not just equal the x-coordinate of the point. Why not?

1. Let (2, 4) be an ordered pair on the terminal side of the angle (in standard position). (a, b each worth 20 points)

1. Is this ordered pair on the unit circle? Justify your response.

1. Determine the exact value of sin and sec . Leave your answers in reduced radical form.