On Jordan Type Inequalities for Hyperbolic Functions

: Klen R, Visuri M, Vuorinen M

Publisher: SPRINGER INTERNATIONAL PUBLISHING AG

: 2010

: Journal of Inequalities and Applications

: JOURNAL OF INEQUALITIES AND APPLICATIONS

: J INEQUAL APPL

: 1

: 14

: 1029-242X

DOI: https://doi.org/10.1155/2010/362548

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.

Mathematics