Some remarks about a formula of Charles Dodgson

DOI10.1017/S0025557200002941zbMath1383.11095MaRDI QIDQ5277932

Juan Pla

Publication date: 12 July 2017

Published in: The Mathematical Gazette (Search for Journal in Brave)

zbMATH Keywords

trigonometric equationsunit fractionsalmost Pythagorean triplesreciprocals of integers

Mathematics Subject Classification ID

Trigonometric and exponential sums (general theory) (11L03) Exponential and trigonometric functions (33B10)

Cites Work

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• Charles L. Dodgson's geometric approach to arctangent relations for pi
• Almost Pythagorean Triples
• The enhancement of Machin’s formula by Todd’s process

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