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The Cosine Function

Author:Stuart Fortier
Topic:Algebra, Angles, Cosine, Trigonometric Functions, Trigonometry, Unit Circle

New Resources

  • Triangle with 3 Right Angles
  • Reflection = 180° Rotation about a Line
  • Equation of Locus - Parabola
  • Exploring GeoGebra for the First Time
  • Volume by Disk/Washer around y

Discover Resources

  • The line of intersection of three planes.
  • Triangle
  • A pair of twisted wires
  • Proof without words: limit of sin(3x)/sin(x) (x->0)
  • Radians and Degress

Discover Topics

  • Polygons
  • Statistical Characteristics
  • Logarithm
  • Prism
  • Linear Programming or Linear Optimization
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