The Curious Substitution Z = Tan θ/2 and the Pythagorean Theorem

DOI10.2307/2319972zbMATH Open0398.26003OpenAlexW4231609500WikidataQ114042761 ScholiaQ114042761MaRDI QIDQ4182935

Alan H. Schoenfeld

Publication date: 1977

Published in: The American Mathematical Monthly (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2319972

zbMATH Keywords

Pythagorean TheoremElementary Functions

Mathematics Subject Classification ID

Elementary functions (26A09)

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