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Topic: Re: Locus for ratio of cosine of angles to be constant
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Narasimham

Posts: 307
Registered: 9/16/06
Re: Locus for ratio of cosine of angles to be constant
Posted: Nov 18, 2013 9:07 AM
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Typos..

dr/ds - dx/ds ecc = 0 which integrates to

r - x ecc = r - r cos(th) ecc = p, an arbitrary constant.

1 - ecc cos(th) = p/r the polar equation of all conics.

Given constant is eccentricity and arbitrary constant
p is semi-latus rectum.

http://i43.tinypic.com/2med8x4.jpg

Regards
Narasimham



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