4. Trigonometry



4.1 Trig Definitions & Basics

  1. Unit Circle

  2. Inverse, Reciprocal & Power Notation

  3. Even/Odd Identities & Reflections

  4. Cofunctions & Complementary Angle Identities

  5. Graphs


4.2 Complex Unit Circle


4.3 Common Trig Identities

  1. Right Angle Identities

  2. Law of Sines

  3. Law of Cosines

  4. Sum & Difference Identities

  5. Product-to-Sum Identities

  6. Sum-to-Product Identities

  7. Double Angle Identities

  8. Half Angle Identities

  9. Square Identities

  10. Functions of Inverses 🔧


4.4 Polar & Parametric Graphing

  1. Polar ↔ Rectangular Conversion 🔧

  2. Parametric ↔ Rectangular Conversion 🔧