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85.60 A trigonometric proof of Ptolemy’s theorem

Published online by Cambridge University Press:  01 August 2016

Ho-Joo Lee*
Affiliation:
270–42, Jangwi-3 dong, Sungbuk-ku, Seoul, 136–143, South Korea, e-mail: insight_love@hotmail.com

Abstract

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Type
Notes
Copyright
Copyright © The Mathematical Association 2001

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References

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3. Engel, Arthur, Problem-solving strategies (Problem Books in Mathematics), Springer-Verlag New York (1997)Google Scholar