Trigonometry | Index

Trigonometry with Right Angles

  • Trigonometric Ratios
  • Solving for a side in a right triangle using the trigonometric ratios
  • Solving for an angle in a right triangle using the trigonometric ratios
  • Modeling with right triangles
  • Trigonometric ratios and similarity
  • Sine and cosine of complementary angles
  • Trigonometric ratios of special angles
  • Pythagorean Trigonometric Identity
  • The reciprocal trigonometric ratios

Trigonometry with general triangles

  • The law of sines
  • The law of cosines
  • Solving General Triangles

The unit circle definition of sine, cosine, tangent

  • Radians
  • The unit circle definition of sine, cosine, tangent
  • The graphs of sine, cosine, and tangent
  • Basic trigonometric identities
  • Trigonometric values of special angles
  • The Pythagorean identity
  • Tau

Graphs of trigonometric functions

  • The graphs of sine, cosine, and tangent
  • Amplitude, midline, and extrema of sinusoidal functions
  • Amplitude and the midline of sinusoidal functions from their formulas
  • Period of sinusoidal functions
  • Graphing sinusoidal functions
  • Constructing Sinusoidal functions

Trigonometric Equations and Identities

  • The inverse trigonometric functions
  • Solving basic sinusoidal equations
  • Solving advanced sinusoidal equations
  • Solving sinusoidal models
  • Intro to the trigonometric angle addition identities
  • Using trigonometric identities to solve problems
  • Challenging trigonometry problems