TAN

Syntax

tan::=

Text description of tan

Purpose

TAN returns the tangent of n (an angle expressed in radians).

Examples

The following example returns the tangent of 135 degrees:

SELECT TAN(135 * 3.14159265359/180)
   "Tangent of 135 degrees"  FROM DUAL;

Tangent of 135 degrees
----------------------
                   - 1