The Unit Circle

Students explore angles on the unit circle with radian measures that are multiples of `\frac{\pi}{3}`,`\frac{\pi}{4}`, and `\frac{\pi}{6}`.

By Amplify Classroom

9th - 12th Grade

Math

Today’s Goals • Determine the coordinates of points on the unit circle using special right triangles and symmetry. • Determine values of `\sin(\theta)` and `\cos(\theta)` using the unit circle. • Describe how to use the unit circle to evaluate `\sin(\theta)` and`\cos(\theta)`. (Reading, Writing, Speaking, and Listening) Additional Materials Unit Circle Sheet, one per student