Trigonometric Functions

This Trigonometric Functions lesson plan also includes:

From a circle to a cycle! The final lesson plan of a five-part series challenges learners to use points from the unit circle to plot a repeating pattern. The repeating patterns become the graphs of the trigonometric functions. Scholars also identify the characteristics of the functions such as period, frequency, and amplitude. 

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CCSS: Adaptable
Instructional Ideas

  • Have individuals record characteristics for each graph for comparison
  • Compare and contrast graphs of the sine, cosine, and tangent function
Classroom Considerations

  • Requires a strong understanding of the unit circle relationships

  • Graph paper has a unit circle graphed for a direct comparison to the graph of the trigonometric function

  • None
Common Core