tanh

(PHP 4 >= 4.0.7, PHP 5)

tanh — Hyperbolic tangent

Description

float tanh ( float $arg )

Returns the hyperbolic tangent of arg , defined as sinh(arg)/cosh(arg).

Parameters

arg

The argument to process

Return Values

The hyperbolic tangent of arg

See Also

• tan()
• atanh()
• sinh()
• cosh()