acosh

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Return the arc hyperbolic cosine of the parameter.

Declaration[edit]

genType acosh( genType x );


Parameters[edit]

x - Specify the value whose arc hyperbolic cosine to return.


Description[edit]

 acosh returns the arc hyperbolic cosine of [math]x[/math]; the non-negative inverse of cosh . The result is undefined if [math]x \lt 1[/math].

Version Support[edit]

acosh 1.3+

See Also[edit]

 sin , cos , sinh , cosh 


Copyright[edit]

Copyright© 2011-2014 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. http://opencontent.org/openpub/.