CPM Teacher Tutorials

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

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Unit Circle with Reference Angles (Desmos)

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.
30 Degree Reference Triangles:

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.
45 Degree Reference Triangles:

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.
60 Degree Reference Triangles:
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Pre-Calculus with Trig - T

General eTools 2
Chapter 1 4
Chapter 2 9
Chapter 3 4
Chapter 4 2
Chapter 5 0
Chapter 6 0

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