# Homework Help: Covariant derivatives

1. Dec 24, 2009

### Mathman_

How do I show that a Vector field X on $$\Re^{3}$$ is tangent to a Cylinder in $$\Re^{3}$$?

2. Dec 25, 2009

### Dick

Show that for any point x on the cylinder that the vector X(x) is in the tangent space to the cylinder at x.