Oracle SQL - Function SIN function

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Introduction

SIN - Returns the sine of a value.

The SIN function takes arguments in radians where, 

radians  = (angle * 2 * 3.1416 / 360)

Using the SIN function to find the sine of 30 degrees:

Demo

SQL>
SQL> SELECT SIN(30*2*3.1416/360)
  2  FROM dual;-- from  www. j  av  a  2 s. c om

SIN(30*2*3.1416/360)
--------------------
            00000.50

SQL>