DelphiBasics ArcSin Function The Arc Sine of a number, returned in radians Math unit

function ArcSin(const Number Extended):Extended;

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 Related commands ArcCos The Arc Cosine of a number, returned in radians ArcTan The Arc Tangent of a number, returned in radians Cos The Cosine of a number Sin The Sine of a number Tan The Tangent of a number  Download this web site as a Windows program.

Example code : The ArcSin of 0.5 gives 30 degrees 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; Show full unit code   ArcSin of 0.5 = 30 degrees

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