Open Access

On the Stability of Trigonometric Functional Equations

Advances in Difference Equations20082007:090405

https://doi.org/10.1155/2007/90405

Received: 17 February 2007

Accepted: 5 October 2007

Published: 30 January 2008

Abstract

The aim of this paper is to study the superstability related to the d'Alembert, the Wilson, the sine functional equations for the trigonometric functional equations as follows: .

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Authors’ Affiliations

(1)
Department of Mathematics, Kangnam University

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Copyright

© Gwang Hui Kim. 2007

This article is published under license to BioMed Central Ltd. 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.