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.