## ArcSin

Belongs to : Function### Description

The ArcSin function is a mathematical function giving the value in radians of the Arc Sine of Number.

PI radians = 180 degrees

**Notes**

The System unit supports only the following angular functions:

ArcTan

Sin

Cos

#### Example code

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var float : single; begin // The ArcSin of 0.5 should give 30 degrees float := ArcSin(0.5); float := RadToDeg(float); // Convert result to degrees ShowMessage('ArcSin of 0.5 = '+FloatToStr(float)+' degrees'); end; { ArcSin of 0.5 = 30 degrees } |