Find the unit vector for (3,3)(3, 3)(3,3).
(1,1)(1, 1)(1,1)
(1/2,1/2)(1/\sqrt{2}, 1/\sqrt{2})(1/2,1/2)
(0.5,0.5)(0.5, 0.5)(0.5,0.5)
(3,3)(3, 3)(3,3)