COS

Syntax

cos::=

Text description of cos

Purpose

COS returns the cosine of n (an angle expressed in radians).

Example

The following example returns the cosine of 180 degrees:

SELECT COS(180 * 3.14159265359/180)
   "Cosine of 180 degrees" FROM DUAL;

Cosine of 180 degrees
---------------------
                   -1