Kim, Gwang Hui2024-07-122024-07-122019Kim Hui, G. (2019). The stability of a generalized trigonometric functional equation. International Conference of Mathematical Sciences. s. 030023(1)-030023(4).978-0-7354-1816-5https://aip.scitation.org/doi/10.1063/1.5095108https://hdl.handle.net/20.500.12415/1887We will investigate the superstability of a generalized trigonometric functional equation from the Pexideried functional equation: f(x + y) ? f(x ? y) = ? · g(x)h(y), which is a trigonometric functional equation mixed by the sine and cosine function.enCC0 1.0 Universalinfo:eu-repo/semantics/openAccessStabilitySuperstabilityCosine equationSine equationTrigonometric functional equationArticle030023-4030023-1