### Home > CCA2 > Chapter 8 > Lesson 8.3.2 > Problem 8-162

8-162.

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

Sketch a unit circle. Choose any angle. Find the sine and cosine of the angle. Now subtract

8-162.

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

Sketch a unit circle. Choose any angle. Find the sine and cosine of the angle. Now subtract