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#1 2016-03-31 20:20:04

bob bundy
Registered: 2010-06-20
Posts: 7,743


I seem to have overloaded the servers maximum number of links so I'm continuing the list here.

tan(36) … 87#p378587

The Regular Icosahedron

Note: I was having difficulty making my answer match the one given by Monox D. I-Fly.  I have worked out the two versions are the same but I cannot get the final proof to post; why I don't know.  So I'll try again later

Base Vectors and Coordinates.  A beginning. … 53#p387953

A matrix for rotation and the compound angle formulas … 28#p389628


Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei


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