Around and around we go ... again, and again, and again, and again! That's the nature of a periodic function. Young scholars learn how to model a periodic pattern with trigonometric functions. The nine-lesson unit explores the connection between right triangle trigonometry and graphing sine and cosine functions while including contextual situations. 

Concepts

trigonometric functions, periodic trends, periodicity, radians, sine, cosine

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Additional Tags

math

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Instructional Ideas

• Incorporate technology such as graphing calculators or online applications to study the periodic functions
• Use introductory activities in collaborative groups to encourage discussion

Classroom Considerations

• Expects proficiency in evaluating trigonometric expressions
• The complete module is the sixth of 10 Algebra II units
  

Pros

• Encourages higher order thinking skills
• Connects new learning to prior understanding

Cons

• None

Common Core

HSF-IF.B.4 HSF-BF.B.3 HSF-TF.A.1 HSF-TF.A.2 HSF-TF.B.5