On the Strengthened Jordan's Inequality

The main purpose of this paper is to present two methods of sharpening Jordan's inequality. The first method shows that one can obtain new strengthened Jordan's inequalities from old ones. The other method shows that one can sharpen Jordan's inequality by choosing proper functions in...

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Bibliographic Details
Main Authors: Yan-Ling Li, Jian-Lin Li
Format: Article
Language:English
Published: SpringerOpen 2008-02-01
Series:Journal of Inequalities and Applications
Online Access:http://dx.doi.org/10.1155/2007/74328