kill(all)$
fpprec:20$
fpprintprec:6$

van=facebook.com/LearningCalculus$

f(n):=tan(n*%pi*sqrt(5))^2/n^4;

g(n,k):=sum(tan(n*%pi*sqrt(5))^2/n^4,n,1,k)$

limit(g(n,k),k,inf);

for k: 1 thru 4 do print("Answer:", g(n,k), " = ", bfloat(g(n,k)))$

bfloat(g(n,1000));

create_list( [k,float(g(n,k))],    k,1,6 );