TANH
The TANH function returns the hyperbolic tangent of the input argument.
Syntax
TANH (argument)
Remarks
• The input argument is a double value.
• If the argument is not a number, the result is not a number.
• If the argument is zero, the result is a zero with the same sign as the argument.
• If the argument is positive infinity, the result is +1.0.
• If the argument is negative infinity, the result is -1.0.
Example
SELECT TANH(1);
The result is 0.76159415595.