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CIGAL Reference Manual, Chapter 3 (Functions): cos

Cos -- Calculate the cosine of a variable

usage: result = cos(x)

The COS function returns the cosine of its argument. The input value is in degrees and the output will be in the range of -1 to 1. If the input X is a variable with more than one value, COS will generate an output variable with the same number of values.

Examples:

       type 'Cosine of 90 degrees:' cos(90)     ;  cos(90) == a/2 == 0.0

       #1 = angle()
       cos(#1)

See Also:
ACOS(3), ANGLE(3), ASIN(3), SIN(3)

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