Math Core

Trig

Trigonometry

Angles and radians, the six trig functions, the unit circle, graphs, inverse functions, identities, equations, oblique triangles, vectors and polar form.

  1. Unit 1

    Angles

    Degrees and radians.

  2. Unit 2

    Right Triangle Trigonometry

    The six ratios.

  3. Unit 3

    The Unit Circle

    Trig functions of any angle.

  4. Unit 4

    Graphs of Trigonometric Functions

    Periodic behavior.

  5. Unit 5

    Inverse Trigonometric Functions

    Finding angles.

  6. Unit 6

    Trigonometric Identities

    Rewriting trig expressions.

  7. Unit 7

    Trigonometric Equations

    Solving for angles.

  8. Unit 8

    Oblique Triangles

    Beyond right triangles.

  9. Unit 9

    Vectors and Polar Form

    Direction and magnitude.