3.5.1.2.2 Acosh

Acosh-func

Description

This function is used to return the inverse hyperbolic cosin.

Syntax

 double acosh(double x)

Parameters

x

is any real number that equal or larger than 1.

Return

Return the inverse hyperbolic cosin of that number.

Example

dd=acosh(10);
dd=; //Should return the inverse hyperbolic cosin of 10.

See Also

asinh, atanh, acoth, acsch