### Home > INT3 > Chapter 10 > Lesson 10.1.3 > Problem 10-48

10-48.

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

10-48.

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