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Home > A2C > Chapter 12 > Lesson 12.3.1 > Problem 12-132

12-132.

Find the exact value for each of the following trig expressions:

  1. Use the unit circle to substitute values for sine and cosine and simplify.

  1. Explain the relationship between the answers from part (a) and (b) above.

    What do you know about the relationship between , , and ?