Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/41523
Title: Proof without words : three arctangent identities
Authors: Plaza, Ángel 
UNESCO Clasification: 120406 Geometría euclidea
Issue Date: 2018
Journal: Mathematics Magazine 
Abstract: Visual proof of three arctangent identities involving arctan (√2 − 1) and arctan (√2 + 1).
URI: http://hdl.handle.net/10553/41523
ISSN: 0025-570X
DOI: 10.1080/0025570X.2018.1404888
Source: Mathematics Magazine [ISSN 0025-570X], v. 91 (1), p. 51
Appears in Collections:Artículos
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