Section 14.2 Worksheet:

Assigned problems: Exercises pp. 882-883, #4-6, 9, 12, 13, 19, 20, 26, 31, 34, 35, 39, 40, 41 (due Monday, 11/24).

1. How do we define a unit tangent vector?

2. Give a couple of examples of smooth vector functions (you may use some from the section).

3. Give an example of a non-smooth vector function (don't use any given in the section!).

4. Draw the helix of Figure 3 and the tangent line at the point .