## Algebra 2 Common Core

Published by Prentice Hall

# Chapter 13 - Periodic Functions and Trigonometry - Mid-Chapter Quiz - Page 859: 4

See explanation.

#### Work Step by Step

From the positive x-axis, you go to the negative x-axis. That is equal to 180 degrees. Then you go another 60 degrees counter-clock wise, or $\frac{2}{3}$ of the way.

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