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Home > PC > Chapter 5 > Lesson 5.1.1 > Problem 5-7


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

  1. 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. Be careful to find where functions may be undefined.