" The value of "S=sum(k=1)^(6)(sin(2 pi ...

" The value of "S=sum_(k=1)^(6)(sin(2 pi k)/(7)-i cos(2 pi k)/(7))" is: "

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" The value of "S=sum(k=1)^(6)(sin(2 pi k)/(7)-i cos(2 pi k)/(7))" is:...
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sum(m=1)^(32)m[sum(k=1)^(6)sin2k(pi)/(7)-i cos2k(pi)/(7)]
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sum (k = 1) ^ (6) (sin, (2 pi k) / (7) -i cos, (2 pi k) / (7)) =?
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prod (k = 1) ^ (6) (sin ((2k pi) / (7)) - i cos ((2k pi) / (7))) =
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lim (n rarr oo) sum (k = 1) ^ (n) ((sin) (pi) / (2k) - (cos) (pi) / (2...
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