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Off Topic / Re: Math/Sundial help please!
« on: June 13, 2014, 09:33:37 PM »I don't think you need the radius.But in order to find x and y wouldnt I need the radius?
EDIT: Essentially, you have x and y which are both functions of R, but you are dividing them so the radius ceases to become a factor.

After reading over again I dont think its necessary to have this, I think this is if you want the pointer to touch the ellipse at all times
then again this sections is very confusing for me
