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<div style="font-size:30px">'''ACOS(Number)'''</div><br/>
<div style="font-size:30px">'''ACOS(Number)'''</div><br/>
* <math>Number</math> is any value and it is varying from -1 to 1.
* <math>Number</math> is any value and it is varying from -1 to 1.
*ACOS() returns the arccosine of a number
*ACOS() returns the arccosine of a number.
==Description==
==Description==