CPM Teacher Tutorials

PCT 1.4.2: Unit Circle with Reference Triangles

Updated Aug 09, 2014

Click on the link below for the "Unit Circle with Reference Triangles"

1. Click the circle in front the the radian or degrees for the reference triangle.

2. Displayed are both the 30 degree and the 45 degree reference triangles.

3. You can display one, several, or all of the reference triangles.

Previous Article PCT 1.1.4: 1-43 & 1-44 Student eTool
Next Article Piecewise Functions for TI-84 and Desmos Videos