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## Defining the derivative of a function and using derivative notation

# Finding tangent line equations using the formal definition of a limit

AP Calc: CHA‑2 (EU), CHA‑2.B (LO), CHA‑2.B.2 (EK), CHA‑2.B.3 (EK), CHA‑2.B.4 (EK), CHA‑2.C (LO), CHA‑2.C.1 (EK)

This structured practice takes you through three examples of finding the equation of the line tangent to a curve at a specific point.