NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: from a watcher
From: Dan Allen
Date: 2002 Oct 17, 18:57 -0700
From: Dan Allen
Date: 2002 Oct 17, 18:57 -0700
On Thursday, October 17, 2002, at 06:52 PM, Dan Allen wrote: > > cos(c) = cos(a)*cos(b) + sin(a)*cos(b)cos(ab) > > I did it by memory! ;-) Arrgggghhh! I did it by memory and of course I typed it in wrong!! How embarrasing. cos(c) = cos(a)*cos(b) + sin(a)*sin(b)*cos(ab) is more like it. That's why I like to get it programmed in a calculator, tested, and then I can rely upon it rather than my fallible memory and hands. Dan