SQLite tanh() Function

The SQLite tanh() function returns the hyperbolic tangent of the specified number.

Syntax

Here is the syntax of the SQLite tanh() function:

tanh(number)

Parameters

number

Required. A number used to calculate the hyperbolic tangent.

Return value

The SQLite tanh() function returns the hyperbolic tangent of the specified number.

If the parameter number is NULL, the tanh() function will return NULL.

Examples

This example shows the basic usage of the SQLite tanh() function:

SELECT
    tanh(-2.5),
    tanh(-1),
    tanh(0),
    tanh(1),
    tanh(2.5);
tanh(-2.5) = -0.98661429815143
  tanh(-1) = -0.761594155955765
   tanh(0) = 0.0
   tanh(1) = 0.761594155955765
 tanh(2.5) = 0.98661429815143