On bounds for norms of sine and cosine along a circle on the complex plane
type: Item
instance of: scholarly article
title: On bounds for norms of sine and cosine along a circle on the complex plane
author: Feng Qi
published in: Kragujevac Journal of Mathematics
publication date: 2024-12-16T00:00:00Z
Mathematics Subject Classification ID: 33B10
Mathematics Subject Classification ID: 30A10
zbMATH DE Number: 7958441
zbMATH Keywords: bound
zbMATH Keywords: norm
zbMATH Keywords: sine
zbMATH Keywords: cosine
zbMATH Keywords: double inequality
zbMATH Keywords: circle
zbMATH Keywords: complex plane
zbMATH Keywords: difference
zbMATH Keywords: open problem
MaRDI profile type: Publication
cites work: Q3019068
cites work: Analytic Inequalities
cites work: Generalizations of Jordan's inequality and concerned relations
cites work: A general refinement of Jordan's inequality and a refinement of L. Yang's inequality
cites work: On bounds of the sine and cosine along straight lines on the complex plane
cites work: Refinements, generalizations, and applications of Jordan's inequality and related problems
description: scientific article; zbMATH DE number 7958441