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Line 48: − *[http://en.wikipedia.org/wiki/Sine ACOS]
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==Description==
==Description==
Consider '''x = 0.8''' then '''=ACOS(0.8)''' gives '''0.64350110879''' <br/>
Consider '''x = 0.8''' then '''=ACOS(0.8)''' gives '''0.64350110879''' <br/>
*This function is the inverse function of COS in trignometry.
*This function is the inverse function of COS in trigonometry.
*Also it is called as Cyclometric function.
*Also it is called as Cyclometric function.
*ACOS is described as arcCOS and denoted by <math>cos^-1(x)</math>.
*ACOS is described as arcCOS and denoted by <math>cos^{-1}(x)</math>.
*In ACOS(x), x value should be with in -1 & 1.
*In ACOS(x), x value should be with in -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().
*[http://en.wikipedia.org/wiki/Trigonometric_functions List of Trigonometric Functions]
*[http://en.wikipedia.org/wiki/Trigonometric_functions List of Trigonometric Functions]