Summation from 1 to infinity of (Sin n)/(n^2) please help me
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Originally Posted by tiga killa Summation from 1 to infinity of (Sin n)/(n^2) please help me term for term ... $\displaystyle \left|\frac{\sin(n)}{n^2}\right| \le \frac{1}{n^2}$ what's that tell you?
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