New Polynomial Bounds for Jordan’s and Kober’s Inequalities Based on the Interpolation and Approximation Method

In this paper, new refinements and improvements of Jordan&#8217;s and Kober&#8217;s inequalities are presented. We give new polynomial bounds for the <inline-formula> <math display="inline"> <semantics> <mrow> <mi>s</mi> <mi>i</mi> &l...

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Bibliographic Details
Main Authors: Lina Zhang, Xuesi Ma
Format: Article
Language:English
Published: MDPI AG 2019-08-01
Series:Mathematics
Subjects:
Online Access:https://www.mdpi.com/2227-7390/7/8/746