?Given r(t) = ti + 2sint j + 2costk and \(\mathbf{u}(t)=\frac{1}{t} \mathbf{i}+2 \sin t
Chapter 3, Problem 94(choose chapter or problem)
Given r(t) = ti + 2sint j + 2costk and \(\mathbf{u}(t)=\frac{1}{t} \mathbf{i}+2 \sin t \mathbf{j}+2 \cos t \mathbf{k}\), find the following:
\(\mathbf{r}(t) \times \mathbf{u}(t)\)
Text Transcription:
u(t) = 1/t i + 2 sin t j + 2 cos t k
r(t) times u(t)
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