Journal of Mathematical Inequalities · Volume 7, Issue 4

Refinements of a two-sided inequality for trigonometric functions

07-57 Pages 601-615 DOI 10.7153/jmi-07-57

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Authors

Zhen-Hang Yang

Keywords

Adamović-Mitrinović's inequality Cusa's inequality trigonometric functions sharp bound refinement

Subject classes

26D05 26A48 26D15 33B10