Results 11 to 20 of about 35,940 (238)

Interval Neutrosophic Tangent Similarity Measure Based MADM strategy and its Application to MADM Problems [PDF]

open access: yesNeutrosophic Sets and Systems, 2018
In this paper, tangent similarity measure of interval valued neutrosophic sets is proposed and its properties are examined. The concept of interval valued neutrosophic set is a powerful mathematical tool to deal with incomplete, indeterminate and ...
Kalyan Mondal   +2 more
doaj   +1 more source

Tan-G class of trigonometric distributions and its applications

open access: yesCubo, 2021
In this paper, we introduce a new general class of trigonometric distributions based on the tangent function, called the Tan-G class. A mathematical procedure of the Tan-G class is carried out, including expansions for the probability density function ...
Luciano Souza   +5 more
doaj   +1 more source

Second-order lower radial tangent derivatives and applications to set-valued optimization

open access: yesJournal of Inequalities and Applications, 2017
We introduce the concepts of second-order radial composed tangent derivative, second-order radial tangent derivative, second-order lower radial composed tangent derivative, and second-order lower radial tangent derivative for set-valued maps by means of ...
Bihang Xu, Zhenhua Peng, Yihong Xu
doaj   +1 more source

New inequalities between the inverse hyperbolic tangent and the analogue for corresponding functions

open access: yesJournal of Inequalities and Applications, 2020
In this paper, we present new inequalities which reveal further relationship for both the inverse tangent function arctan ( x ) $\arctan (x)$ and the inverse hyperbolic function arctanh ( x ) $\operatorname{arctanh}(x)$ .
Xiao-Diao Chen, Long Nie, Wangkang Huang
doaj   +1 more source

A new tangent-based probabilistic approach with applications in sports and medical sciences

open access: yesAlexandria Engineering Journal, 2023
This paper proposes a new probabilistic method using the tangent function, namely, a new tangent-F family of distributions. It improves the data-fitting ability of its special members by adding a parameter.
Guang Lu   +5 more
doaj   +1 more source

MADM Technique Using Tangent Trigonometric SvNN Aggregation Operators for the Teaching Quality Assessment of Teachers [PDF]

open access: yesNeutrosophic Sets and Systems, 2022
In current Chinese higher education, the teaching quality assessment (TQA) of teachers in colleges/universities is an essential way to promotes the improvement of teacher teaching quality in the teaching process.
Mailing Zhao, Jun Ye
doaj   +1 more source

Extended Wang sum and associated products.

open access: yesPLoS ONE, 2022
The Wang sum involving the exponential sums of Lerch's Zeta functions is extended to the finite sum of the Huwitz-Lerch Zeta function to derive sums and products involving cosine and tangent trigonometric functions.
Robert Reynolds, Allan Stauffer
doaj   +1 more source

Finding the Values of Trigonometric Function without the Use of Scientific Calculators: The Case of Tangent Function.

open access: yesEthiopian Journal of Science and Sustainable Development, 2023
In the realm of calculating trigonometric functions, computing the tangent function with a high degree of accuracy and precision without using scientific calculators has been an area of interest and importance.
Tole Fikadu Aga
doaj   +1 more source

Pre-service mathematics teachers’ nature of understanding of the tangent function

open access: yesJournal of Research and Advances in Mathematics Education, 2020
Mathematics teachers’ ability to translate and make connections between representations of functions requires investigation. Consequently, this qualitative case study article focuses on pre-service mathematics teachers’ nature of understanding of the ...
Priestly Malambo
doaj   +1 more source

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