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Oracle9i SQL Reference
Release 2 (9.2)

Part Number A96540-02
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COS

Syntax

cos::=

Text description of functions51.gif follows
Text description of cos


Purpose

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

Examples

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