TANH
TANH(n)

Returns the hyperbolic tangent of the angle n, which must be expressed in radians.

Example

SQL> SELECT TANH(0), TANH(3.14) FROM dual;

   TANH(0) TANH(3.14)
---------- ----------
         0 .996260205

Get Oracle SQL: the Essential Reference now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.