Exact Trigonometric Values

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It's important to be exact. Scholars watch a video that provides the exact trigonometric values of sine, cosine, and tangent for 0-, 30-, 45-, 60-, and 90-degree angles. The video also highlights a pattern to help remember the values.

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CCSS: Adaptable
Instructional Ideas

  • Have learners make creative posters to highlight the trigonometric values
Classroom Considerations

  • Pupils must be familiar with trigonometric ratios
  • An understanding of tangent as sine divided by cosine is necessary
Pros

  • Provides a worksheet of practice questions
Cons

  • Video quality is poor
Common Core