Hyperbolic trigonometry
Encyclopedia
In mathematics, hyperbolic trigonometry can mean:
  • The use of the hyperbolic function
    Hyperbolic function
    In mathematics, hyperbolic functions are analogs of the ordinary trigonometric, or circular, functions. The basic hyperbolic functions are the hyperbolic sine "sinh" , and the hyperbolic cosine "cosh" , from which are derived the hyperbolic tangent "tanh" and so on.Just as the points form a...

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  • The use of gyrotrigonometry in hyperbolic geometry
    Hyperbolic geometry
    In mathematics, hyperbolic geometry is a non-Euclidean geometry, meaning that the parallel postulate of Euclidean geometry is replaced...

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