Title of article :
Rational Recursive Equations Characterizing Cotangent-tangent and Hyperbolic Cotangent-tangent Functions
Author/Authors :
Hengkrawit, Charinthip Chulalongkorn University - Faculty of Science - Department of Mathematics, Thailand , Laohakosol, Vichian Kasetsart University - Center for Advanced Studies - Department of Mathematics, Thailand , Laohakosol, Vichian CHE - Centre of Excellence in Mathematics, Thailand , Udomkavanich, Patanee Chulalongkorn University - Faculty of Science - Department of Mathematics, Thailand
Abstract :
Using a technique of Rhouma in 2005, closed form solutions of certain rational recursive equations characterizing the cotangent-tangent and the hyperbolic cotangent-tangent function solutions are derived.
Keywords :
Rational recursive equations , cotangent , tangent functions , hyperbolic cotangent , tangent functions
Journal title :
Bulletin of the Malaysian Mathematical Sciences Society
Journal title :
Bulletin of the Malaysian Mathematical Sciences Society
