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tanh

(PHP 4 >= 4.1.0, 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()

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