Identities and inequalities for the cosine and sine functions
Classical Analysis and ODEs
2020-01-13 v1
Abstract
Identities and inequalities for the cosine and sine functions are obtained.
Cite
@article{arxiv.2001.03191,
title = {Identities and inequalities for the cosine and sine functions},
author = {Iosif Pinelis},
journal= {arXiv preprint arXiv:2001.03191},
year = {2020}
}
Comments
7 pages; to appear in Mathematical Inequalities & Applications