Math Is Fun Forum

Bob

Administrator

Registered: 2010-06-20

Posts: 10,623

GEOMETRY CONTENTS part 2

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

tan(36)

http://www.mathisfunforum.com/viewtopic … 87#p378587

The Regular Icosahedron

http://www.mathisfunforum.com/viewtopic.php?id=22966

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.

http://www.mathisfunforum.com/viewtopic … 53#p387953

A matrix for rotation and the compound angle formulas

http://www.mathisfunforum.com/viewtopic … 28#p389628

Bob

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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
Sometimes I deliberately make mistakes, just to test you!  …………….Bob