### Home > PC > Chapter 3 > Lesson 3.1.1 > Problem3-12

3-12.

Below are two of the special angles that are used in the unit circle. Identify the radian measure for the angles shown. Remember counter-clockwise angles are positive and clockwise angles are negative.

1. $-\frac{2\pi}{3}$

1. It went around the entire unit circle once before going again.
$\frac{17\pi}{6}$