`Hey,
Note: If you have any queries related the answer please do comment. I would be very happy to resolve all your queries.
1)
clc%clears screen
clear all%clears history
close all%closes all files
[S,ea,i]=arctan(0.4,6,100)
[S,ea,i]=arctan(0.8,6,100)
function [S,ea,i]=arctan(x,n,imax)
S=0;
prev=0;
for i=1:imax
S=prev+(-1)^(i-1)*x.^(2*i-1)/(2*i-1);
if(abs((S-prev)/S)<0.5*10^(2-n))
break;
end
prev=S;
end
ea=abs((S-prev)/S);
end
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