TANH

The TANH function returns the hyperbolic tangent of the input argument.

Syntax

TANH (argument) 

Remarks

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The input argument is a double value.

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If the argument is not a number, the result is not a number.

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If the argument is zero, the result is a zero with the same sign as the argument.

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If the argument is positive infinity, the result is +1.0.

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If the argument is negative infinity, the result is -1.0.

Example

SELECT TANH(1);

The result is 0.76159415595.