Abstract
The main purpose of this note is to establish an identity which states that the functionsinx/xis a power series of(π2−4x2)with positive coefficients for allx≠0. This enable us to obtain a much stronger Jordan's inequality than that obtained before.
Subject
Mathematics (miscellaneous)
Cited by
49 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献