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+//Scilab Code for Example 3.18 of Signals and systems by
+//P.Ramakrishna Rao
+//A=%pi or 3.14
+clear;
+clc;
+//Trignometric Fourier Coefficients
+a(1)=integrate('sin(w)','w',0,%pi);
+for n=1:8
+a(2*n+1)=integrate('sin(w+2*n*w)','w',0,%pi)+integrate('sin(w-2*w*n)','w',0,%pi);
+end
+for n=0:8
+b(n+1)=0;
+end
+disp(abs(a(1)),"an(a0)");
+disp("an(a1-->a8)");
+n=1:8;
+disp(2*a(n+1));
+disp("bn(b1-->b8)");
+n=1:8;
+disp(b(n));