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SQL Anywhere 11.0.0 » SQL Anywhere Server - SQL Reference » Using SQL » SQL functions » Alphabetical list of functions


ACOS function [Numeric]

Returns the arc-cosine, in radians, of a numeric expression.

ACOS( numeric-expression )
  • numeric-expression   The cosine of the angle.


This function converts its argument to DOUBLE, performs the computation in double-precision floating point, and returns a DOUBLE as the result.

See also
Standards and compatibility
  • SQL/2003   Vendor extension.


The following statement returns the arc-cosine value for 0.52.

SELECT ACOS( 0.52 );