On 2/14/2015 10:25 PM, Mike Horvath wrote:
> If a parabola reflects parallel lines into its focus, what does a> catenary do? What about non-parallel lines?
I posted a question on Stack Exchange too if you want to look at it.
There is a diagram to look at.
http://math.stackexchange.com/questions/1148679/ray-curve-mirror-problem
