Some new bounds for ratio functions of trigonometric and hyperbolic functions
Résumé
This paper is devoted to obtain sharp bounds for the ratio functions cos(x)/cosh(x) and sin(x)/sinh(x) . The proofs are based on the use of a refinement of a special case of the Bernoulli inequality (which can be of independent interest) and infinite products.
Origine | Fichiers produits par l'(les) auteur(s) |
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