If xi gt 0 for 1leilen and x1+x2+x3+…+xn...

If `x_i gt 0` for `1leilen` and `x_1+x_2+x_3+…+x_n=pi` then the greatest value of the sum `sinx_1+sinx_2+sinx_3+…+sin_n=…` (A) n (B) `pi` (C) `nsin\ pi/n` (D) none of these

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