Calculations with Sine and Cosine

This Calculations with Sine and Cosine assessment also includes:

Practice makes perfect and perfecting those trigonometric functions are vital in trigonometry. The task requires evaluating cosine and sine values at common degree measures before looking at the results. Is there a pattern when the values are added? Is there a pattern when the values are squared before adding? Let the discussions begin!

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CCSS: Designed
Instructional Ideas

  • Use before introducing the Pythagorean trigonometric identity
Classroom Considerations

  • Learners should be comfortable evaluating trigonometric functions before attempting the worksheet
Pros

  • Uses a common evaluating task to unfold into an identity
  • Worked out answer key that explains the steps needed to solve the problem, includes some visuals
Cons

  • None
Common Core