hyperbolic tangent

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Noun

hyperbolic tangent (plural hyperbolic tangents)

1. (mathematics) a hyperbolic function that is written in symbol tanh and defined as the following:

   \tanh(x) = \frac{\sinh(x)}{\cosh(x)} = \frac{e^x - e^{-x}}{e^x + e^{-x}}

Translations

• Russian: гиперболи́ческий та́нгенс

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