(PHP 4 >= 4.1.0, PHP 5, PHP 7)
Hyperbolic sine
float sinh ( float $arg )
Returns the hyperbolic sine of arg
, defined as (exp(arg) - exp(-arg))/2.
Parameters:
arg
The argument to process
Returns:
The hyperbolic sine of arg
See also:
sin() -
asinh() -
cosh() -
tanh() -
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