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Home > PC3 > Chapter 2 > Lesson 2.2.2 > Problem 2-64

2-64.

Evaluate each of the following expressions by using special right triangles and the unit circle (give exact values). Compute without a calculator

  1. 1. Draw a unit circle and locate the angle.

    2. Draw a right triangle with the base is the x-axis.

    3. Label the side lengths.

    4. Choose the y-value for the sine!