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Hyperbolic sine

sinh

(PHP 4 >= 4.1.0, PHP 5)

sinh — Hyperbolic sine

Description

float sinh ( float $arg )

Returns the hyperbolic sine of arg, defined as (exp(arg) - exp(-arg))/2.

Parameters

arg: The argument to process

Return Values

The hyperbolic sine of arg

See Also

sin() - Sine
asinh() - Inverse hyperbolic sine
cosh() - Hyperbolic cosine
tanh() - Hyperbolic tangent

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