Difference between revisions of "ACOS()"
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Latest revision as of 08:55, 4 February 2013
Contents
Purpose
Function to calculate and return the angle size in radians for any given cosine value
Syntax
ACOS(<expN>)
See Also
ASIN(), ATAN(), ATN2(), COS(), DTOR(), EXP(), LOG(), LOG10(), PI(), RTOD(), SIN(), TAN(), SET DECIMALS, SET FIXED
Description
The ACOS() function calculates the angle size of a cosine value. The cosine value is represented by the numeric expression <expN>. The numeric expression must fall between -1.0 and +1.0 inclusive. The angle size is returned as a numeric in radians. The SET DECIMALS command determines the number of decimals displayed in the returned angle size.
Example
set decimal to 4 ?acos(0.7071) 0.7854 set decimals to 2 ?rtod(acos(cos(dtor(30)))) 30.00
