### Home > A2C > Chapter 8 > Lesson 8.2.1 > Problem 8-121

8-121.

Evaluate each of the following expressions exactly. Homework Help ✎

Draw a unit circle and locate each angle. Draw a reference triangle. Use special triangles.

8-121.

Evaluate each of the following expressions exactly. Homework Help ✎

Draw a unit circle and locate each angle. Draw a reference triangle. Use special triangles.