1. Question 44
Differentiation - Slope - Tangents and Chords
2. Question 2381
was: Differentiation - First principles - Graphical illustration
now: Differentiation - First principles - Tangents and Chords of Polynomials
3. Question 2382
was: Differentiation - Trig functions - Graphical illustration
now: Differentiation - Trig functions - Tangents and Chords of Trig Functions
4. Question 2383
was: Differentiation - Hyperbolic functions - Graphical illustration
now: Differentiation - Hyperbolic functions - Tangents and Chords of Hyperbolic Functions