Question

how to calculate tangent vectors of parametric curves

Answer 1

hey again. :)

Answer 2

let t be your vector
\[\frac{t'}{|t'|}\]

Answer 3

ok, is that all? what if I'm given x and y? how would i parameterize them?

Answer 4

post that problem

Answer 5

oh, just in general. i'm creating a study guide for my exam

Answer 6

x^2+y^2=1

<1 Cos[t], 1 Sin[t]>

Answer 7

that's for cirle

Answer 8

ok, so it would depend on the surface, line, etc that I am working with?

Answer 9

yes,

Answer 10

ok, i understand that, thank you again for your help :)

Answer 11

from my experience, final tend to focus more on later stuff

Answer 12

true, but some of the later stuff uses some of this earlier stuff and I want to make sure I completely understand it.

Answer 13

glad to be done with all my finals last week

Answer 14

lucky. :P