NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Greg Rudzinski
Date: 2014 May 30, 15:48 -0700
You are right Dave. If any of the S-2d,S-2t,S-2L values exceeds 90 degrees then the cosine of the complement becomes a negative for summing just as the S value. Looks like most cases are covered now.
Re: Classic Trig Log Sight Reduction Revisited
From: Dave Walden
Date: 2014 May 30, 14:31 -0700
May need a few more cosine rules for even larger t.
>> Notice for this reduction that the S value is larger
>>than 90 degrees which requires using the cosine
>>complement as a negative value for summing.
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