?Let \(\mathbf{r}(t)=e^{t} \mathbf{i}+\sin t \mathbf{j}+\ln t \mathbf{k}\). Find the
Chapter 3, Problem 7(choose chapter or problem)
Let \(\mathbf{r}(t)=e^{t} \mathbf{i}+\sin t \mathbf{j}+\ln t \mathbf{k}\). Find the following values:
a. \(\mathbf{r}\left(\frac{\pi}{4}\right)\)
b. \(\lim _{t \rightarrow \pi / 4} \mathbf{r}(t)\)
c. Is \(\mathbf{r}(t)\) continuous at \(t=t=\frac{\pi}{4}\)?
Text Transcription:
\mathbf{r}(t)=e^{t} \mathbf{i}+\sin t \mathbf{j}+\ln t \mathbf{k}
a. \mathbf{r}\left(\{\pi}{4}\right)
b. \lim _{t \rightarrow \pi / 4} \mathbf{r}(t)
c. \mathbf{r}(t) continuous at t=t=\{\pi}{4}\)?
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