A certain transverse wave is described by the equation

y$($x$,$t$)=(6\mathrm{.}50$mm$)$sin$2$$($t$0\mathrm{.}0360$s$$x$0\mathrm{.}280$m$)$y$($x$,$t$)=(6\mathrm{.}50$mm$)$sin$2$$($t$0\mathrm{.}0360$s$$x$0\mathrm{.}280$m$).$

what is the waves wavelength