A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä
On Jordan Type Inequalities for Hyperbolic Functions
Tekijät: Klen R, Visuri M, Vuorinen M
Kustantaja: SPRINGER INTERNATIONAL PUBLISHING AG
Julkaisuvuosi: 2010
Journal: Journal of Inequalities and Applications
Tietokannassa oleva lehden nimi: JOURNAL OF INEQUALITIES AND APPLICATIONS
Lehden akronyymi: J INEQUAL APPL
Aloitussivu: 1
Lopetussivu: 14
Sivujen määrä: 14
ISSN: 1029-242X
DOI: https://doi.org/10.1155/2010/362548
Tiivistelmä
This paper deals with some inequalities for trigonometric and hyperbolic functions such as the Jordan inequality and its generalizations. In particular, lower and upper bounds for functions such as (sin x)/x and x/sinh x are proved.
This paper deals with some inequalities for trigonometric and hyperbolic functions such as the Jordan inequality and its generalizations. In particular, lower and upper bounds for functions such as (sin x)/x and x/sinh x are proved.
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