hyperbolic sine

hyperbolic sine (plural hyperbolic sines)

  1. (mathematics) A hyperbolic function that is the analogue of the sine function for hyperbolic spaces, taking in a hyperbolic angle as an argument and returning the y-coordinate for the corresponding point on the unit hyperbola. It is written in symbol sinh and can be represented as: \sinh(x) = \tfrac 1 2 (e^x - e^{-x})
  • French: sinus hyperbolique
  • German: Sinus hyperbolicus
  • Russian: гиперболи́ческий си́нус

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