S_n =((Cos1)/1^2 )+((Cos2)/2^2 )+((Cos3)/3^2 )+...+((Cosn)/n^2 ) Indicates that S


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Question Number 144509 by phally last updated on 26/Jun/21

$S_{n} = \frac{C o s 1}{1^{2}} + \frac{C o s 2}{2^{2}} + \frac{C o s 3}{3^{2}} + . . . + \frac{C o s n}{n^{2}}$ $I n d i c a t e s t h a t S_{n} i s a c a u c h y s u i t e ?$
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