On Shafer and Carlson Inequalities

Autor: Cheung Wing-Sum, Wang Wusheng, Chen Chao-Ping
Jazyk: angličtina
Rok vydání: 2011
Předmět:
Zdroj: Journal of Inequalities and Applications, Vol 2011, Iss 1, p 840206 (2011)
Druh dokumentu: article
ISSN: 1025-5834
1029-242X
Popis: We present a generalized and sharp version of Shafer's inequality for the inverse tangent function and a new lower bound of Carlson's inequality by means of a third order estimate of the inverse cosine function.
Databáze: Directory of Open Access Journals