Question
Find $\|\vec{r}(t)\|$.$$\vec{r}(t)=\langle 2 \cos t, 2 \sin t, t\rangle$$
Step 1
Given \(\vec{r}(t) = \langle 2 \cos t, 2 \sin t, t \rangle\), the components are \(x(t) = 2 \cos t\), \(y(t) = 2 \sin t\), and \(z(t) = t\). Show more…
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