Rebol Programming/arccosine

= USAGE: = ARCCOSINE value /radians

= DESCRIPTION: = Returns the trigonometric arccosine in degrees.

ARCCOSINE is a native value. = ARGUMENTS =
 * value -- (Type: number)

= REFINEMENTS =
 * /radians -- Returns result in radians.

= SOURCE CODE = arccosine: native[ "Returns the trigonometric arccosine in degrees." value [number!] /radians "Returns result in radians." ]