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On Jordan's and Kober's inequality

Authors :
Barkat Ali Bhayo
József Sándor
Source :
Acta et Commentationes Universitatis Tartuensis de Mathematica. 20:111-116
Publication Year :
2016
Publisher :
University of Tartu, 2016.

Abstract

We refine some classical inequalities for trigonometric functions, such as Jordan's inequality, Cusa–Huygens's inequality, and Kober's inequality.

Details

ISSN :
22284699 and 14062283
Volume :
20
Database :
OpenAIRE
Journal :
Acta et Commentationes Universitatis Tartuensis de Mathematica
Accession number :
edsair.doi...........e9f5a158eccfcaeadceda81493e9a26a
Full Text :
https://doi.org/10.12697/acutm.2016.20.09