TANH Function

The TANH function returns the hyperbolic tangent of the argument, where the argument is an angle expressed in radians.

TANH Function
Read syntax diagramSkip visual syntax diagramTANH(radian_expr)
The following example returns the hyperbolic tangent of the values in the degrees column of the anglestbl table. The expression passed to the TANH function converts the degrees to radians.
SELECT TANH(degrees*180/3.1416) FROM anglestbl;