Exercise 3.2 #5
Suppose that f and g are continuous on [a,b], differentiable on (a,b), f(a) = g(a) and f(b) = g(b). Prove there is a point c ∈ (a,b) with f′(c) = g′(c). Drag the GREEN point H to demonstrate the plausibility of this statement!
LCM and GCD
Graphs of Sine and Cosine from Unit Circle for One Period
Hoback,c Parallel lines
Perpendicular Bisectors and the Circumcenter