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+//Book Name:Fundamentals of Electrical Engineering
+//Author:Rajendra Prasad
+//Publisher: PHI Learning Private Limited
+//Edition:Third ,2014
+
+//Ex3_7.sce
+
+clc;
+clear;
+
+printf("\n (a)")
+T=(2*%pi);   //Time value for one cycle
+V=15;  //Maximum voltage in volt
+t0=%pi/4;t1=%pi; //time values for particular period which is taken from the given voltage wave form
+Vav=(1/T)*integrate('V*sin(t)','t',t0,t1);
+printf("\n Average value=%1.3f volt \n",Vav)
+
+printf("\n (b)")
+Vrms=sqrt(((V^2)/T)*integrate('(1-cos(2*t))/2','t',t0,t1)); //sin^2(t)=(1-cos(2t))/2
+printf("\n RMS value=%1.2f volt \n",Vrms)
+//Answer given in the book for Vrms is wrong