### 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

Draw a unit circle.

Answers:

and

and

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?

See part (c).