### Home > A2C > Chapter 9 > Lesson 9.3.2 > Problem 9-162

9-162.

Use your knowledge of the unit circle to explain why the graphs of

When you find the complement of the angle, the *x* and *y*-values reversed.

9-162.

Use your knowledge of the unit circle to explain why the graphs of

When you find the complement of the angle, the *x* and *y*-values reversed.