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Home > INT3 > Chapter 10 > Lesson 10.3.2 > Problem 10-168

10-168.

Without a calculator, what are two solutions to each of the following equations for ? Homework Help ✎

  1. Draw a unit circle.

    unit circle

    Answers: and

  1. and

  1. Draw and label a unit circle as in part (a). Don't forget that the sine is the -value! Which quadrants will the angles be in?

  1. See part (c).

no calculator