Lesson Plan

"I Saw the Sine"

Curated and Reviewed by Lesson Planet

Discover trigonometric ratios that complement each other. Using two videos, the instructional activity introduces the trigonometric ratios. The class discovers the relationship between the sine and cosine of complementary angles.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Explore to see if there is any other relationships between trigonometric ratios and complementary angles
Classroom Considerations
  • The class should know the parts of a right triangle
  • Individuals need access to calculators that can determine inverse trigonometric ratios
Pros
  • Provides suggestions for acceleration and intervention
  • Includes answer keys
Cons
  • None
Common Core