UnofficialAP PrecalculusUnit 3 of 4
AP Precalculus Unit 3: Trigonometric and Polar Functions
Periodic phenomena, sine and cosine models, the tangent function, inverse trig and polar graphs.
Key topics
- Sinusoidal models
- Amplitude, period, phase shift and midline from context.
- Inverse trigonometric functions
- Restricted domains and principal values.
- Polar coordinates
- Converting between polar and rectangular form and reading polar graphs.
More practice on this site
- Trigonometric Identities cheat sheet (one-page formulas)
- Unit Circle Values (8 flashcards)
See the AP Precalculus exam format and every unit on the course page.