Posted by Vhit on 11/11/05 17:44

<uk.media.dvd , , "mo" <nospam>>
<1Z6dnbfoQMebUeneRVnyrw@giganews.com>
<Fri, 11 Nov 2005 16:51:12 -0000>

> (I have seen it done- so i imagine they can probably do it pretty easily)
>

Spherical trigonometry .

FFS every primary school teaches it :-)


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