Find the unit vector for (6,8)(6, 8)(6,8).
(0.6,0.8)(0.6, 0.8)(0.6,0.8)
(1,1)(1, 1)(1,1)
(6,8)(6, 8)(6,8)
(0.5,0.5)(0.5, 0.5)(0.5,0.5)