22 lines
691 B
Plaintext
22 lines
691 B
Plaintext
Program TrigonometricFuntions(output);
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uses
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math;
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var
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radians, degree: double;
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begin
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radians := pi / 4.0;
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degree := 45;
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// Pascal works in radians. Necessary degree-radian conversions are shown.
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writeln (sin(radians),' ', sin(degree/180*pi));
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writeln (cos(radians),' ', cos(degree/180*pi));
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writeln (tan(radians),' ', tan(degree/180*pi));
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writeln ();
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writeln (arcsin(sin(radians)),' Rad., or ', arcsin(sin(degree/180*pi))/pi*180,' Deg.');
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writeln (arccos(cos(radians)),' Rad., or ', arccos(cos(degree/180*pi))/pi*180,' Deg.');
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writeln (arctan(tan(radians)),' Rad., or ', arctan(tan(degree/180*pi))/pi*180,' Deg.');
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// ( radians ) / pi * 180 = deg.
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end.
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