Oracle SQL - Function TAN function

Introduction

TAN - Returns the tangent of a value.

The TAN function takes arguments in radians where,

radians  = (angle * 2 * 3.1416 / 360) 

Using the TAN function to find the tangent of 30 degrees:

Demo

SQL>
SQL> SELECT TAN(30*2*3.1416/360)
  2  FROM dual;-- from   w w  w  .ja  va 2s  .  c  o m

TAN(30*2*3.1416/360)
--------------------
            00000.58

SQL>