### Home > PC > Chapter 5 > Lesson 5.1.1 > Problem5-7

5-7.

Evaluate all six trig functions for each angle without using a calculator.

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

1. Draw a unit circle plotting the point.
2. Label all of the sides of the reference triangle.
3. Using the definitions of all six trig functions, write their values.

1. $−3π$

Be careful to find where functions may be undefined.