vp=50;
disp("Part a");
vm=vp/2;
disp("the peak volage (in V) is"); disp(vm);
disp("Part b");
deg1=2*%pi/3;
deg2=3*2*%pi/5;
deg3=5*2*%pi/4;
v1=vm*sin(deg1);
v2=vm*sin(deg2);
v3=vm*sin(deg3);
disp("the instantaneous volage (in V) at one-third the cycle is"); disp(v1);
disp("the instantaneous volage (in V) at three-fifths he cycle is"); disp(v2);
disp("the instantaneous volage (in V) at one-and-a-quarter cycle is"); disp(v3);