Functions > Trigonometric, Log, and Exponential > Inverse Hyperbolic Functions
Inverse Hyperbolic Functions
asinh(z), acosh(z), atanh(z), acsch(z), asech(z), acoth(z)—Return the inverse hyperbolic sine, cosine, tangent, cosecant, secant, and cotangent of z respectively. The returned value is the angle whose sinh, cosh, tanh, etc, is z. It is taken from the principal branch of these functions.
Inverse hyperbolic functions are sensitive to roundoff errors from very large arguments and singularities.
z is a dimensionless scalar or a vector of scalars.
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