COS ( x )

Description: Computes the cosine of x.

Arguments:

Name	Type	Description
x	number	The value whose cosine is to be determined.

Return Type and Value: number – The cosine of x.

[Example:

COS(-1) results in 0.540302306
COS(0) results in 1
COS(1) results in 0.540302306

end example]