$t = $ 3.00
$\Bigg\rbrace$ parametric equations for $C$
$x = f(t)$
$y = g(t)$
$z = h(t)$
$\mathbf{r}(t) = \langle f(t),g(t),h(t) \rangle$
In this example,
$f(t) = 4\cos(2t)$,
$g(t) = 4\sin(2t)$,
$h(t) = t$.
In particular,
$\mathbf{r}($
3.00
$)\,= \langle$
3.84,
-1.12,
3.00 $\rangle$