tanh

(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)

tanh — Hyperbolic tangent

Description

tanh(float $num): float

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

Parameters

num: The argument to process

Return Values

The hyperbolic tangent of num

See Also

tan() - Tangent
atanh() - Inverse hyperbolic tangent
sinh() - Hyperbolic sine
cosh() - Hyperbolic cosine

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