Find a parameterization for the circle $of$ radius $4in$ the $xy-$plane, centered $at$ the origin, traversed clockwise.

$x=-4cost,y=4sint,z=4$

$x=-4cost,y=4cost,z=4sint$

$x=4sint,y=4sint,z=0$

$x=4cost,y=-4sint,z=0$

$x=4sint,y=-4sint,z=-4cost$