Mathematics

Trigonometry

Trig Functions

  • Graphed Trigonometry Functions
  • How to Tell Sines from Cosines
  • Inverse Trigonometric Functions
  • National Curve Bank
  • Sine Function
  • Solving Trig Equations
  • Solving Trig Equations with Calculators, Part I
  • Solving Trig Equations with Calculators, Part II
  • Trig Functions
  • Trigonometric Functions History
  • Unit Circle and the Trigonometric Functions sin(x), cos(x) and tan(x)
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  • Laws

  • Law of Cosines
  • Law of Sines
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  • Coordinates

  • Convert Polar to Rectangular Coordinates Calculator
  • Converting from Polar to Rectangular Coordinates
  • Polar Coordinates
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  • Derivations

  • Deriving sin(a+b), cos(a+b)
  • Deriving Sines & Cosines
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  • Resources

  • Common Trig Errors
  • Interactive Trigonometry Tutorials
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