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Math387.ArcCos Method ([In] double)
Math387 Class  Math387 Members  Dew.Math.Units Namespace  ArcCos Method  See Also
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Inverse cosine.

Syntax
C#
Visual Basic
public static double ArcCos([In] double X);
Returns

the inverse cosine of X. X must be between -1 and 1.

Remarks

The return value will be on closed interval [-PI/2,PI/2], in radians for a real argument. To obtain an inverse cosine for X outside the interval [-1,1] use the complex version of the function.

See Also

Cos

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