CPM Teacher Tutorials

PCT 4.1.1: Unit Circle with Reference Angles Teacher Demo (Desmos)

Updated Nov 26, 2014

Click the link below.

1. 30 Degree Reference Triangles:

  • Find the radian or degree measurements at the left.
  • Find the points on the graph.
  • Click the folder icon at the left for the desired measurement.

2. 45 Degree Reference Triangles:

  • Find the radian or degree measurements at the left.
  • Find the points on the graph.
  • Click the folder icon at the left for the desired measurement.

3. 60 Degree Reference Triangles:

  • Find the radian or degree measurements at the left.
  • Find the points on the graph.
  • Click the folder icon at the left for the desired measurement.
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