The tangential component is
(33/25, 44/25)
and the perpendicular component is
(-8/25, 6/25)
.
(3, 5) = (4, 4) + (-1, 1)
.
x = P + R
where
Copyright c 1995 by
Frank Wattenberg
, Department of Mathematics, Montana State University, Bozeman, MT 59717