JCL Help:ArcCos

 JCL Help: ArcCos Function

MathRoutines.Transcendental

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Summary

Calculates the inverse cosine of X.

Pascal

 function ArcCos(X: Float): Float;

Parameters

Parameters	Description
X: Float	Value for which to calculate the inverse cosine. Absolute value of X must be smaller than 1.0.

Return Value

The inverse cosine of X in radians.

Description

ArcCos calculates the inverse cosine of X. Meaning it returns the angle whose cosine equals X. ArcCos is defined as ArcTan2(Sqrt(1.0 - X*X), X).

About

Unit

JclMath

Donator

Clayton Collie

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