Average vs. instantaneous rate of change

Secant lines

Derivative definition

Estimating derivatives

Differentiability

Power rule

Derivative rules: constant, sum, difference, and constant multiple

Derivatives of cos(x), sin(x), 𝑒ˣ, and ln(x)

Product rule

Quotient rule

Derivatives of tan(x), cot(x), sec(x), and csc(x)

Proof videos