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acos Operator

 21st October 2021 at 10:28pm
purposecalculate the arccosine value (in radians) of a list of numbers
inputa selection of titles
outputthe arccosine (in radians) of the input numbers

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Introduced in v5.1.21 See Mathematics Operators for an overview.

This is the inverse operation of cos: cos calculate the cosine of an angle (in radian), but acos calculate the angle (in radian) of a cosine.