The Trigonometry Math Mission is a set of skills on Khan Academy. This mission consists of intensive practice on various topics about Trigonometry.

The Trigonometry Math Mission dashboard.

Trig IDS

Useful identities

Mission Specifics

Mission Foundations

  1. Pythagorean theorem
  2. Pythagorean theorem and the equation of a circle
  3. Recognizing features of functions
  4. Solving problems with similar and congruent triangles
  5. Evaluating function expressions
  6. Equivalent expressions with distribution and combining like terms
  7. Identifying terms, factors, and coefficients in expressions
  8. Special right triangles
  9. Determine if a function is even or odd from its graph
  10. Complementary and supplementary angles

Basic trigonometry

  1. Trigonometry 0.5
  2. Trigonometry 1
  3. Trigonometry 1.5
  4. Trigonometry 2
  5. Trigonometric functions and side ratios in right triangles
  6. Applying right triangles
  7. Reciprocal trig functions

Unit circle definition of trig functions

  1. Radians on the unit circle
  2. Radians and arc length
  3. Degrees to radians
  4. Unit circle intuition
  5. Unit circle trigonometry
  6. Trigonometric functions of special angles
  7. Evaluating inverse trig functions
  8. Understanding inverse trig functions
  9. Inverse trig word problems

Graphs of trig functions

  1. Amplitude of trigonometric functions
  2. Midline of trigonometric functions
  3. Period of trigonometric functions
  4. Graphs of sine and cosine
  5. Graphs of trigonometric functions
  6. Modeling with periodic functions
  7. Modeling with periodic functions 2

Trig identities and examples

  1. Symmetry and periodicity of trigonometric functions
  2. Circles and Pythagorean identities
  3. Manipulating trig expressions with pythagorean identities
  4. Addition and subtraction trig identities
  5. Applying angle addition formulas
  6. Understanding angle addition formulas
  7. Law of cosines
  8. Law of sines
  9. Law of sines and law of cosines word problems
  10. Non-right triangle proofs


  1. Trigonometry warmup

Users can view other Math Missions here.

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