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Vector.ArcCos Method ()
Vector Record | Vector Members | MtxExpr Namespace | ArcCos Method | Example | See Also
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The inverse cosine.

Pascal
function ArcCos: TMtxVec; overload;
Description

Calculate the inverse cosine of all calling object elements in-place. Values must be between -1 and 1. The return values will be in the range [0,PI], in radians.

See Also

Cos

Example
var a,b: Vector; begin a.SetIt(True,[1,-0.5,0.11,0.9]); a.ArcCos; // or b := ArcCos(a); // or a := ArcCos(a); end;
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