Mathematical Inequalities & Applications · Volume 23, Issue 2

Identities and inequalities for the cosine and sine functions

23-62 Pages 751-757 DOI 10.7153/mia-2020-23-62

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Authors

Iosif Pinelis

Keywords

inequalities trigonometric functions cosine function sine function Bessel function series expansions approximations

Subject classes

26D05 26D15 40A25 41A58