$8\mathrm{.}11$ Plot the following equations for $0t6$ :

$(8\mathrm{.}41)$

$x(t)=e^{-0\mathrm{.}1t}cost$

$y(t)=e^{-0\mathrm{.}1t}sint$

$z(t)=t$

Plot the $(x,y)$ points defined by these equations. Which function is most suitable for this plot?

Plot the $(x,y,z)$ points defined by these equations. Which function is most suitable for this plot?