Graphs from the Unit Circle

Let the class create a sine graph fit to eat. Small groups work with the unit circle and spaghetti to create a sine graph. Pupils use the spaghetti to transfer vertical lengths from the unit circle to a function graph. Once the lengths for every 15 degrees are transferred, scholars create a smooth graph and determine key features of the graph.

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CCSS: Designed
Instructional Ideas

  • Divide the class and have some groups do the activity as written and others do the activity finding the horizontal distances creating the cosine graph
Classroom Considerations

  • If using the radian worksheet, class members should already know how to convert from degrees to radians
  • Requires spaghetti and long strips of butcher paper for each group
Pros

  • Provides two versions of the activity to use as differentiation
  • Includes an answer key
Cons

  • None
Common Core