Khan Academy

Secant line with arbitrary point (K-A)

Secant line with arbitrary point (with simplification) (K-A)

Secant lines: challenging problem 1 (K-A)

Secant lines: challenging problem 2 (K-A)

Slope of a line secant to a curve (K-A)

Chain rule-notes (K-A)

Chain rule-video (K-A)

Common chain rule misunderstandings (K-A)

Identifying composite functions (K-A)

Worked example: Chain rule with table (K-A)

Worked example: Derivative of √(3x²-x) using the chain rule (K-A)

Worked example: Derivative of cos³(x) using the chain rule (K-A)

Worked example: Derivative of ln(√x) using the chain rule (K-A)

Derivative of inverse cosine (K-A)

Derivative of inverse sine (K-A)

Derivative of inverse tangent (K-A)

Differentiating inverse trig functions review (K-A)

Derivatives of inverse functions (K-A)

Derivatives of inverse functions: from equation (K-A)

Derivatives of inverse functions: from table (K-A)

Applying the chain rule and product rule (K-A)

Applying the chain rule twice (K-A)

Derivative of eᶜᵒˢˣ⋅cos(eˣ) (K-A)

Derivative of sin(ln(x²)) (K-A)

Differentiating using multiple rules: strategy (K-A)