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Contents In this lecture we derive a formula for finding the length of a curve in the plane as an example of modeling using the Method of Accumulations. Quick Question What is the length of the slanted line (in red)? Answer Outline Outline for Arc Length Textbook Arc Length Today's Homework Log into WebWorK Quiz Arc Length Quiz Examples Find the length of the parabola y = x2 from x = 0 to x = 1. Find the length of the curve y = sin(x) from x = 0 to x = π. Find the circumference of the hypocycloid x2/3 + y2/3 = a2/3. Applets Numerical Integration Videos Find the length of the curve y = cosh x from x = –1 to x = 1

Lecture 24 | Index | Lecture 26