We've got a quiz coming up on trigonometry. It covers 13-1 through 13-3 in the book. You should be able to do the following:
Find reference angles.
Construct right triangles on a coordinate plane.
Recall the relationships of the sides of 30-60-90 and 45-45-90 right triangles.
Solve for any trig functions to an exact value without a calculator.
Convert between degree and radian measures.
Here's the review homework.