Results 1 to 10 of about 10,632,797 (342)

Trigonometric functions and some trigonometrical identities [PDF]

open access: yesComputational Algorithms and Numerical Dimensions, 2023
Trigonometry is a part of mathematics which deals with specific functions of angles and their application, and it is studies of the dependence between the sides and angles of a triangle.
Laxmi Rathour   +4 more
doaj   +2 more sources

Padé approximants for inverse trigonometric functions and their applications. [PDF]

open access: goldJ Inequal Appl, 2017
The Padé approximation is a useful method for creating new inequalities and improving certain inequalities. In this paper we use the Padé approximant to give the refinements of some remarkable inequalities involving inverse trigonometric functions, it is
Wu S, Bercu G.
europepmc   +4 more sources

On the Norms of RFMLR-Circulant Matrices with the Exponential and Trigonometric Functions

open access: yesJournal of Mathematics, 2021
In this paper, based on combinatorial methods and the structure of RFMLR-circulant matrices, we study the spectral norms of RFMLR-circulant matrices involving exponential forms and trigonometric functions.
Baijuan Shi
doaj   +2 more sources

A Few Finite Trigonometric Sums

open access: yesMathematics, 2017
Finite trigonometric sums occur in various branches of physics, mathematics, and their applications. These sums may contain various powers of one or more trigonometric functions. Sums with one trigonometric function are known; however, sums with products
Chandan Datta, Pankaj Agrawal
doaj   +4 more sources

Integral of radical trigonometric functions revisited [PDF]

open access: green, 2016
This article revisits an integral of radical trigonometric functions. It presents several methods of integration where the integrand takes the form $\sqrt{1 \pm \sin x}$ or $\sqrt{1 \pm \cos x}$. The integral has applications in Calculus where it appears
Karjanto, N., Yermukanova, B.
core   +5 more sources

Extended Levett trigonometric series. [PDF]

open access: yesPLoS ONE
An extension of two finite trigonometric series is studied to derive closed form formulae involving the Hurwitz-Lerch zeta function. The trigonometric series involves angles with a geometric series involving the powers of 3.
Robert Reynolds
doaj   +2 more sources

Trigonometric function transformation and its application in software reliability modeling. [PDF]

open access: yesPLoS ONE
ContextMany models based on S-shaped functions demonstrate their advantages in non-homogeneous Poisson process software reliability modeling. However, three well-known types have been used without deep mathematical evaluation.
Dai-Nghia Vy   +4 more
doaj   +2 more sources

Parameter N Analysis on the Rational-Talbot Algorithm for Numerical Inversion of Laplace Transform

open access: yesVetor, 2021
This article investigates the numerical inversion of the Laplace Transform by the Rational-Talbot method and analyzes the influence on the variation of the free parameter N established by the technique when applied to certain functions.
Elisandra Freitas   +4 more
doaj   +5 more sources

On the boundedness of the partial sums operator for the Fourier series in the function classes families associated with harmonic intervals [PDF]

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2021
The article is devoted to the study of some data from the theory of functions approximation by trigonometric polynomials with a spectrum from special sets called harmonic intervals.
Gulsim A. Yessenbayeva   +3 more
doaj   +3 more sources

On the Trigonometric and p-Trigonometric Functions of Elliptical Complex Variables

open access: yesCommunications in Advanced Mathematical Sciences, 2020
In the early 2000s, the geometry of a one-parameter family of generalized complex number systems was studied (Math. Mag. 77(2)(2004)). This family is denoted by Cp.
Kahraman Esen Özen
doaj   +1 more source

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