Matlab

t = (-.00025: .00025: 100000);

A1 = 29;

A2 = 1.2*A1;

t1 = (37.2/2)*.00025;

t2 = -(41.3/10)*.00025;

x1 = A1*co(2*pi*(4000)*(t-t1));

x2 = A2*co(2*pi*(4000)*(t-t2));

x3 = x1 + x2;

(a) Write one line of MATLAB code that will generate values of the sinusoid x1(t) above by using the complex-amplitude representation: x1(t) = Re{Xe^jt} (b) Write one line of MATLAB code that will calculate the magnitude of the sinusoid that is the given by x4(t) = x1(t) 2x2(t) and write one line of MATLAB code that will calculate the phase of x4(t).