## Question

###### $7-14$ Sketch the curve with the given vector equation. Indicate with an arrow the direction in which $t$ increases. $$ \mathbf{r}(t)=\cos t \mathbf{i}-\cos t \mathbf{j}+\sin t \mathbf{k} $$

$7-14$ Sketch the curve with the given vector equation. Indicate with an arrow the direction in which $t$ increases. $$ \mathbf{r}(t)=\cos t \mathbf{i}-\cos t \mathbf{j}+\sin t \mathbf{k} $$

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