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acosh

(PHP 4 >= 4.1.0, PHP 5, PHP 7)

acosh — Inverse hyperbolic cosine

Description

代码语言:javascript
复制
float acosh ( float $arg )

Returns the inverse hyperbolic cosine of arg, i.e. the value whose hyperbolic cosine is arg.

Parameters

arg

The value to process

Return Values

The inverse hyperbolic cosine of arg

Changelog

Version

Description

5.3.0

This function is now available on all platforms

See Also

  • cosh() - Hyperbolic cosine
  • acos() - Arc cosine
  • asinh() - Inverse hyperbolic sine
  • atanh() - Inverse hyperbolic tangent

← acos

asin →

代码语言:txt
复制
 © 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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