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Small angle approximations - Cosine

Author:Kate Auld
Topic:Cosine, Trigonometry

New Resources

  • Special Right Triangles 30°-60°-90° and 45°-45°-90°
  • Astroid
  • Cosine in Cartesian and Polar Coordinates
  • seo tool
  • Graphing 1 + cos(θ) in Polar Coordinates

Discover Resources

  • Algebra 1
  • elmtv-805-0715b-2
  • Parallelograms
  • chain
  • Activity #19__ the 'Circle: Center & Radius' tool

Discover Topics

  • Tangent Line or Tangent
  • Isosceles Triangles
  • Step Functions
  • Translation
  • Linear Programming or Linear Optimization
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