Instructional Video

Exact Trigonometric Values

Curated and Reviewed by Lesson Planet

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
Additional Tags
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