# from math import from tkinter import def II return I1 int x-X1 I2-I1 X

 ``` 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39``` ```from math import * from tkinter import * def II(x):return I1+int((x-X1)*(I2-I1)/(X2-X1)) def JJ(y):return J2+ int((y-Y1)*(J1-J2)/(Y2-Y1)) def F(x): if x == 0: f = 1 else: f = abs(sin(x)/x) return f*cos(10*x) X1 = -5*pi;X2 = 5*pi Y1 = -1.2;Y2 = 1.2 I1 = 0; J1 = 0 I2 = 500;J2 = 500 n = 25 h = (X2-X1)/n root = Tk() root.title('График функции F(x) = sin(x)/x, -5*pi <= x <= 5*pi') canv = Canvas(root, width = I2,height = J2, bg = 'green') canv.create_line(II(0),JJ(Y1),II(0),JJ(Y2),width = 2) canv.create_line(II(X1),JJ(0),II(X2),JJ(0),width = 2) points = [] x = X1 for i in range(n): y = F(x) P = (II(x),JJ(y)) points.append(P) x = x+h canv.create_line(points,width = 1,fill = 'yellow',smooth = 1) canv.create_text(40,480,text = "Xmin = "+str(int(100*X1)/100)) canv.create_text(460,480,text = "Xmax = "+str(int(100*X2)/100)) canv.create_text(210,480,text = "Ymin = "+str(int(100*Y1)/100)) canv.create_text(210,20,text = "Ymaxn = "+str(int(100*Y1)/100)) canv.pack() root.mainloop() ```