Inverse Hyperbolic Functions

The Inverse of the Hyperbolic Functions, denoted $\cosh^{-1}x$, $\coth^{-1}x$, $\mathop{\rm csch}\nolimits ^{-1}x$, $\mathop{\rm sech}\nolimits ^{-1} x$, $\sinh^{-1} x$, and $\tanh^{-1} x$.

See also Hyperbolic Functions

References

Spanier, J. and Oldham, K. B. ``The Inverse Hyperbolic Functions.'' Ch. 31 in An Atlas of Functions. Washington, DC: Hemisphere, pp. 285-293, 1987.