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Oracle® Database SQL Language Reference
11g Release 1 (11.1)

B28286-07
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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 datatype or any nonnumeric datatype that can be implicitly converted to a numeric datatype. If the argument is BINARY_FLOAT, then the function returns BINARY_DOUBLE. Otherwise the function returns the same numeric datatype as the argument.

See Also:

Table 2-10, "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