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trigonometric function▼(a function of an angle)noun[UK: ˌtrɪ.ɡə.ˈnɒ.mə.tri ˈfʌŋk.ʃn̩] [US: ˌtrɪ.ɡə.ˈnɒ.mə.tri ˈfʌŋk.ʃn̩]
inverse trigonometric function [inverse trigonometric functions]▼(function)noun
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