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

Part Number E17118-03
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COSH

Syntax

Description of cosh.gif follows
Description of the illustration cosh.gif

Purpose

COSH returns the hyperbolic cosine of n.

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 hyperbolic cosine of zero:

SELECT COSH(0) "Hyperbolic cosine of 0"
  FROM DUAL;

Hyperbolic cosine of 0
----------------------
                     1