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*Also it is called as Cyclometric function.  
 
*Also it is called as Cyclometric function.  
 
*ACOS is described as arcCOS of a given number and denoted by <math>cos^{-1}(x)</math>.
 
*ACOS is described as arcCOS of a given number and denoted by <math>cos^{-1}(x)</math>.
*In  ACOS(x), x value should be with in -1 & 1.
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*In  ACOS(x), x value should be between -1 & 1.
 
*To find the angle in degrees, multiply the result angle with 180/PI().
 
*To find the angle in degrees, multiply the result angle with 180/PI().
 
*DEGREES function can also be used.<br/>
 
*DEGREES function can also be used.<br/>
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