Extensions of the natural approach to refinements and generalizations of some trigonometric inequalities.
Branko MaleševićTatjana LutovacMarija RašajskiCristinel MorticiPublished in: Advances in difference equations (2018)
In this paper we propose a new method for sharpening and refinements of some trigonometric inequalities. We apply these ideas to some inequalities of Wilker-Cusa-Huygens type.
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