On a functional equation of trigonometric type
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摘要
In this paper, we study the functional equation, f(x+y)-f(x)f(y)=dsinxsiny. Some generalizations of the above functional equation are also considered.
论文关键词：Hyers–Ulam stability,Functional equation,Trigonometric type functional equation,Functional inequality,Banach spaces
论文评审过程：Available online 29 December 2014.
论文官网地址：https://doi.org/10.1016/j.amc.2014.12.019
