Question

for the space curve x=3cost, y=3sint, z=5t. find T(Unit vector),N(N=T/|T|),B(binormal) and K(Curvature),Torsion, Frenet serret formula;

Answer 1

Okay, first find \(\mathbf{r}'(t)\)

Answer 2

\[
\mathbf{T} = \frac{\mathbf{r}'(t)}{||\mathbf{r}'(t)||}
\]