Mathematica Asked on January 9, 2021
I want to use MMA to find the limit of $lim _{n rightarrow infty}left(frac{sin frac{pi}{n}}{n+1}+frac{sin frac{2 pi}{n}}{n+frac{1}{2}}+cdots+frac{sin pi}{n+frac{1}{n}}right)$.
Limit[Sum[Sin[(i*Pi)/n]/(n + 1/i), {i, 1, n}], n -> Infinity]
However, the above code does not get the correct result (the answer is $frac{2}{pi}$).
What can I do to get the right results?
The recent command of Mathematica
AsymptoticSum[Sin[(i*Pi)/n]/(n + 1/i), {i, 1, n}, {n, Infinity, 1}]
(*2/[Pi]*)
does the job.
Correct answer by user64494 on January 9, 2021
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