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