uses graphABC;const W = 800; H = 500; function DrawSin(x: real): real;begin DrawSin := sin(x);end;function DrawCos(x: real): real;begin DrawCos := cos(x);end;var x0, y0, x, y, xLeft, yLeft, xRight, yRight, n: integer; a, b, fmin, fmax, x1, y1, x2, y2, mx, my, dx, dy, num: real; i: byte; s: string;begin SetWindowSize(W, H); xLeft := 50; yLeft := 50; xRight := W - 50; yRight := H - 50; a := -10; b := 10; dx := 1; fmin := -5; fmax := 5; dy := 1; mx := (xRight - xLeft) / (b - a); my := (yRight - yLeft) / (fmax - fmin); x0 := trunc(abs(a) * mx) + xLeft; y0 := yRight - trunc(abs(fmin) * my); line(xLeft, y0, xRight + 10, y0); line(x0, yLeft - 10, x0, yRight); SetFontSize(12); SetFontColor(clBlue); TextOut(xRight + 20, y0 - 15, 'X'); TextOut(x0 - 10, yLeft - 30, 'Y'); SetFontSize(7); SetFontColor(clRed); n := round((b - a) / dx) + 1; for i := 1 to n do begin num := a + (i - 1) * dx; x := xLeft + trunc(mx * (num - a)); Line(x, y0 - 3, x, y0 + 3); str(Num:0:1, s); if abs(num) > 1E-15 then TextOut(x - TextWidth(s) div 2, y0 + 10, s) end; n := round((fmax - fmin) / dy) + 1; for i := 1 to n do begin num := fMin + (i - 1) * dy; y := yRight - trunc(my * (num - fmin)); Line(x0 - 3, y, x0 + 3, y); str(num:0:1, s); if abs(num) > 1E-15 then TextOut(x0 + 7, y - TextHeight(s) div 2, s) end; TextOut(x0 - 10, y0 + 10, '0'); x1 := a; x2 := a; while x1 <= b do begin y1 := DrawSin(x1); y2 := DrawCos(x2); if ((x1 >= -2*pi) and (x1 <= 2*pi)) then begin x := x0 + round(x1 * mx); y := y0 - round(y1 * my); if (y >= yLeft) and (y <= yRight) then SetPixel(x, y, clBlue); x := x0 + round(x2 * mx); y := y0 - round(y2 * my); if (y >= yLeft) and (y <= yRight) then SetPixel(x, y, clGreen); end; x1 := x1 + 0.001; x2 := x2 + 0.001; endend.