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- program calc;
- uses
- math;
- var
- x,a,d,F, numerator, denominator, e_expression: real;
- begin
- writeln ('Введите x');
- readln (x);
- writeln ('Введите a');
- readln (a);
- writeln ('Введите d');
- readln (d);
- if (cos(2*x) = 0) (* неочеведный трюк, использующий тот факт что tan()=sin()/cos() *)
- then
- begin
- writeln('Тангенс 2*x не определён при x=', x:5:2);
- readln(F);
- halt();
- end;
- numerator:=sqrt(abs(0.25-power(x,3))) + 4.25*sqr(a);
- denominator:=sqr(6-x)+1;
- e_expression:=exp(abs(4*x-d)) * (tan(2*x));
- F:=numerator/denominator-e_expression;
- writeln('F=',F:5:2 );
- readln(F);
- end.
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