Skip Headers
Oracle® Database SQL Language Reference
11g Release 2 (11.2)

Part Number E10592-02
Go to Documentation Home
Home
Go to Book List
Book List
Go to Table of Contents
Contents
Go to Index
Index
Go to Master Index
Master Index
Go to Feedback page
Contact Us

Go to previous page
Previous
Go to next page
Next
View PDF

COS

Syntax

Description of cos.gif follows
Description of the illustration cos.gif

Purpose

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

This function takes as an argument any numeric data type or any nonnumeric data type that can be implicitly converted to a numeric data type. If the argument is BINARY_FLOAT, then the function returns BINARY_DOUBLE. Otherwise the function returns the same numeric data type as the argument.

See Also:

Table 3-10, "Implicit Type Conversion Matrix" for more information on implicit conversion

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