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Ingy döt Net 2013-04-11 01:07:29 -07:00
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Task/Trigonometric-functions/Pascal/trigonometric-functions.pascal Normal file
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Program TrigonometricFuntions(output);
uses
math;
var
radians, degree: double;
begin
radians := pi / 4.0;
degree := 45;
// Pascal works in radians. Necessary degree-radian conversions are shown.
writeln (sin(radians),' ', sin(degree/180*pi));
writeln (cos(radians),' ', cos(degree/180*pi));
writeln (tan(radians),' ', tan(degree/180*pi));
writeln ();
writeln (arcsin(sin(radians)),' Rad., or ', arcsin(sin(degree/180*pi))/pi*180,' Deg.');
writeln (arccos(cos(radians)),' Rad., or ', arccos(cos(degree/180*pi))/pi*180,' Deg.');
writeln (arctan(tan(radians)),' Rad., or ', arctan(tan(degree/180*pi))/pi*180,' Deg.');
// ( radians ) / pi * 180 = deg.
end.