Complete the table. $($Round your answers to four decimal places. Assume x is in terms of radian.$)$

lim$$x$0$

$5$ cos$($x$)5$x

x$0\mathrm{.}10\mathrm{.}010\mathrm{.}00100\mathrm{.}0010\mathrm{.}010\mathrm{.}1$f$($x$)$