
arXiv: 2009.10527
Motivated by the work of J. Sándor [19], in this paper we establish a new Wilker type and Huygens type inequalities involving the trigonometric and hyperbolic functions. Moreover, in terms of hyperbolic functions, the upper and lower bounds of sin(x)/x and tan(x)/x are given.
trigonometric-hyperbolic functions, General Mathematics (math.GM), Huygens-type inequality, FOS: Mathematics, Inequalities for trigonometric functions and polynomials, Elementary functions, Wilker-type inequality, Mathematics - General Mathematics, Exponential and trigonometric functions
trigonometric-hyperbolic functions, General Mathematics (math.GM), Huygens-type inequality, FOS: Mathematics, Inequalities for trigonometric functions and polynomials, Elementary functions, Wilker-type inequality, Mathematics - General Mathematics, Exponential and trigonometric functions
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