8:29

Area of Surfaces of Revolution | Derivation & Example

10:04

Curves, Parameterizations, and the Arclength Parameterization

20:45

a formula for the "circumference" of an ellipse.

7:10

How long is a curve?? The Arclength Formula in 3D

11:27

Integration & Circle Formulas

12:43

Intro to Taylor Series: Approximations on Steroids

20:51

All the TRIG you need for calculus actually explained

16:30

Verify by integration that the perimeter of a circle is 2 (pi) r