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                                 L_ACOS()


Syntax:        L_ACOS(<expN>)


Purpose:       Calculate the inverse cosine of <expN>


Arguments:     <expN> the ratio to be calculated


Returns:       The radian of <expN> between 0 and pi


Examples:      ? L_ACOS(0.5)  && Result 1.047197


Language:      C

See Also: L_ASIN() L_ATAN() L_DEGREE() L_RADIAN()

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