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acosh

Antihyperbolic cosine
Name:acosh
Category:math
Programming Language:php
One-line Description:Inverse hyperbolic cosine.

Definition and usage

acosh() function returns an inverse hyperbolic cosine of a number.

Example

Returns the inverse hyperbolic cosine value of different values:

 <?php
echo ( acosh ( 7 ) . "<br>" ) ;
echo ( acosh ( 56 ) . "<br>" ) ;
echo ( acosh ( 2.45 ) ) ;
?>

Try it yourself

grammar

 acosh ( x )
parameter describe
x Required. A number.

illustrate

Returns the inverse hyperbolic cosine value of x , that is, the value whose hyperbolic cosine is x .

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