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A Treatise On Spherical Trigonometry - Its Application To Geodesy And Astronomy
An Unabridged Reproduction Of The Original Printing, With Text And All Figures Digitally Enlarged
192 pages, Paperback
First published April 6, 2011
4 people want to read
About the author
John Casey
25ÌýbooksJohn Casey (12 May 1820, Kilbehenny, County Limerick, Ireland â€� 3 January 1891, Dublin) was a respected Irish geometer. He is most famous for Casey's theorem on a circle that is tangent to four other circles, an extension of Ptolemy's theorem. However, he contributed several novel proofs and perspectives on Euclidean geometry. He and Émile Lemoine are considered to be the co-founders of the modern geometry of the circle and the triangle.
Source: Wikipedia
Source: Wikipedia
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