| [Overview][Constants][Types][Classes][Procedures and functions] | Reference for unit 'math' (#rtl) |
Return tangent
Source position: math.pp line 258
function tan( |
x: float |
):float; |
Tan returns the tangent of x.
If x (normalized) is pi/2 or 3pi/2 then an overflow will occur.
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Return hyperbolic tangent |
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Return inverse sine |
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Return sine and cosine of argument |
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Return inverse cosine |
Program Example47; { Program to demonstrate the Tan function. } Uses math; Procedure DoTan(Angle : Float); begin Write('Angle : ',RadToDeg(Angle):8:6); Writeln(' Tangent : ',Tan(Angle):8:6); end; begin DoTan(0); DoTan(Pi); DoTan(Pi/3); DoTAn(Pi/4); DoTan(Pi/6); end.
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