Given a function f(x), and two points on the curve (a, f(a)) and (b, f(b)) the line joining these two points is called a secant line of f. (Not to be confused with the trigonometric secant (sec) ...

By Derek Pipkorn, posted August 3, 2015 –I’ve shared two options of how to go about teaching tangent and secant segments. In years past, I would have used Option A because I needed to keep up with ...

This investigation describes quantitative relationships between circle segments (portions of a chord, tangent, secant and their co-functions) and the associated intercepted arc. The segments each ...