The (p,q)-sine and (p,q)-cosine polynomials and their associated (p,q)-polynomials (2024)

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Abstract References FAQs References

Abstract

The introduction of two-parameter ( p , q ) -calculus and Lie algebras in 1991has spurred a wave of recent research into ( p , q ) -special polynomials, including ( p , q ) -Bernoulli, ( p , q ) -Euler, ( p , q ) -Genocchi and ( p , q ) -Frobenius–Euler polynomials.These investigations have been carried out by numerous researchers in order to uncover a wide range of identities associated with these polynomials and applications. In this article, we aim to introduce ( p , q ) -sine and ( p , q ) -cosine based λ-array type polynomials and derive numerous properties of these polynomialssuch as ( p , q ) -integral representations, ( p , q ) -partial derivative formulae and ( p , q ) -addition formulae.It is worth noting that the utilization of the ( p , q ) -polynomials introduced in this study, along with other ( p , q ) -polynomials, can lead to the derivation of various identities that differ from the ones presented here.

Keywords: Stirling number of second kind

MSC 2020: 05A30; 11B68; 11B73; 11B15; 11B83; 33D15

Funding statement: The third author Talha Usman would like to thank Scientific Research Department at University of Technology and Applied Sciences, Sur for supporting this work under Project No. UTAS-Sur-SRD-IRF 23-04/06.

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Received: 2023-05-12

Revised: 2023-08-21

Accepted: 2023-09-03

Published Online: 2023-11-30

Published in Print: 2024-02-01

© 2023 Walter de Gruyter GmbH, Berlin/Boston

The (p,q)-sine and (p,q)-cosine polynomials and their associated
(p,q)-polynomials (2024)

FAQs

Are sin and cos polynomials? ›

The trigonometric functions are periodic and cannot be described by a polynomial.

What is a polynomial function in math? ›

A polynomial function is a function that involves only non-negative integer powers or only positive integer exponents of a variable in an equation like the quadratic equation, cubic equation, etc. For example, 2x+5 is a polynomial that has exponent equal to 1.

Is there a relationship between sin and cos? ›

Since we are talking about a right triangle, the angles are complementary. And this fact gives us enough information to conclude the following equation: sin(x degrees) = cos(90 - x degrees), and vice versa.

What does cos and sin equal to? ›

Now as per sine, cosine and tangent formulas, we have here: Sine θ = Opposite side/Hypotenuse = BC/AC. Cos θ = Adjacent side/Hypotenuse = AB/AC. Tan θ = Opposite side/Adjacent side = BC/AB.

What are 5 examples of polynomials? ›

Examples of polynomials:
  • 2a + 5b is a polynomial of two terms in two variables a and b.
  • 3xy + 5x + 1 is a polynomial of three terms in two variables x and y.
  • 3y4 + 2y3 + 7y2 – 9y + 3/5 is a polynomial of five terms in two variables x and y.
  • m + 5mn – 7m2n + nm2 + 9 is a polynomial of four terms in two variables m and n.

How do you identify a polynomial? ›

The polynomials can be identified by noting which expressions contain only the operations of addition, subtraction, multiplication, and non-negative integer exponents. The non-polynomial expressions will be the expressions which contain other operations. Explain why the non-polynomial expressions are not polynomials.

How to calculate a polynomial? ›

1.1: Solve Polynomial Equations by Factoring
  1. Difference of squares:a2−b2=(a−b)(a+b)
  2. Sum of squares: a2+b2 no general formula.
  3. Difference of cubes: a3−b3=(a−b)(a2+ab+b2)
  4. Sum of cubes: a3+b3=(a+b)(a2−ab+b2)
  5. If a binomial is both a difference of squares and a difference cubes, then first factor it as difference of squares.
Sep 13, 2022

Is sine a polynomial? ›

A sine-polynomial p(x, sin x) is an analytic function which can be considered as a polynomial with real coefficients depending on the variables x and y=sin x. Let us remark that a sine-polynomial is defined on the real axis and the set of its roots is discrete.

Are trig functions considered polynomials? ›

Trigonometric functions

The function f(t) is not a rational function because the denominator is not a polynomial. On the other hand, the function g(y) can be rewritten as a fraction with numerator 3y and denominator (y+1)(y+1), both of which are polynomials, so it is a rational function. (Is the denominator obvious?

Why isn't Sinx a polynomial? ›

Odd power functions have odd symmetry and even power functions have even symmetry. So a polynomial comprised of only odd power functions still has odd symmetry and likewise for even. Since the cosine function has even symmetry its polynomial representation cannot have any odd powers and likewise for sine.

Which polynomials are? ›

Degree of a Polynomial
PolynomialDegreeExample
Linear Polynomial1P(x) = 3x+1
Quadratic Polynomial2P(x) = 4x2+1x+1
Cubic Polynomial3P(x) = 6x3+4x2+3x+1
Quartic Polynomial4P(x) = 6x4+3x3+3x2+2x+1
2 more rows

References

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