function bai15

syms x t;

x=sin(t)+cos(t)+1/tan(t)+tan(t)

A=(cos(3*x) +sin(2*x))/(tan(x)+1/tan(x))*(x^3+4*x)/(10*sin(x))

B=(sin(3*x)+cos(2*x))/(x^10+10*x^20)

a1= input(' Nhap a1: ');

b1= input(' Nhap b1: ');

a2= input(' Nhap a2: ');

b2= input(' Nhap b2: ');

[A1,A2]=numden(A)

[B1,B2]=numden(B)

k1=int(A1,a1,b1)

k2=int(B2,a2,b2)

disp(['Tich phan cua tu so A la:',num2str(k1)])

disp(['Tich phan cua tu so B la:',num2str(k2)])