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Let prod(r=1)^51 tan(pi/3(1+(3^r)/(3^(5...

Let `prod_(r=1)^51 tan(pi/3(1+(3^r)/(3^(50)-1))=prod_(r=1)^51 cot(pi/3(1+(3^r)/(3^(50)-1))])` On solving equation we get, `1-3 tan^2 (1+(3^r)/(3^(50)-1))=a/(bk-1),(a,b in I)` then value of `(a-b)` is equal

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