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diff --git a/2279/CH5/EX5.2/Ex5_2.sce b/2279/CH5/EX5.2/Ex5_2.sce
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+//Continuous Time Fourier Series Coefficients of 
+//a periodic signal x(t) = cos(Wot)
+clear;
+close;
+clc;
+t = 0:0.01:1;
+T = 1;
+Wo = 2*%pi/T;
+xt = cos(Wo*t);
+x1t=cos(Wo*-t);
+for k =0:2
+  C(k+1,:) = exp(-sqrt(-1)*Wo*t.*k);
+  a(k+1) = xt*C(k+1,:)'/length(t);
+  if(abs(a(k+1))<=0.01) 
+    a(k+1)=0;
+  end
+end
+a =a';
+ak = [-a,a(2:$)]
+disp("The fourier series coefficients are...")
+disp(ak)
+disp("magnitude of Fourier series coefficient")
+disp(abs(ak))
+n=-2:2;
+subplot(2,1,1)
+plot(n,abs(ak),'.');
+xtitle("Magnitude Spectrum","k","|ak|");
+if xt== x1t then
+    disp("The Given signal is even. It has no phase spectrum");
+else
+for i=1:length(ak)
+    if real(ak(i))== 0 then
+        phase(i)=0;
+    else
+        phase(i)=atan(imag(ak(i))/real(ak(i)));
+    end
+end
+disp("Phase of Fourier series coefficient in radians")
+disp(phase)
+subplot(2,1,2)
+plot(n,phase,'.');
+xtitle("Phase Spectrum","k","ak in radians");
+end