function [  ] = CPSLAB1( )


f1=290;
f2=444;

fs=3000;
td=1/fs;

t=0:td:0.1;
sinusek=sin(2*pi*f1*t)+sin(2*pi*f2*t)+1;
figure(1)
subplot(3,1,1); plot(t,sin(2*pi*f1*t));
subplot(3,1,2); plot(t,sin(2*pi*f2*t));
subplot(3,1,3); plot(t,sinusek);
Y = fft(sinusek);
dlugosc=length(Y);
f=linspace(0,fs,dlugosc);

figure(2)
plot(f,abs(Y));



end