Catenary Involute
The parametric equation for a
Catenary
is
(1)
so
(2)
(3)
and
(4)
(5)
(6)
Therefore,
(7)
and the equation of the
Involute
is
(8)
(9)
This curve is called a
Tractrix
.
© 1996-9
Eric W. Weisstein
1999-05-26