Department of Mathematics, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, China
Copyright © 2010 Ling Zhu and Jiukun Hua. This is an open access article distributed under the
Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
In this paper, we establish a general refinement of the Becker-Stark inequalities by using the power series
expansion of the tangent function via Bernoulli numbers and the property of a function involving Riemann's zeta one.