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The value of the lim(n->oo)tan{sum(r=1)^...

The value of the `lim_(n->oo)tan{sum_(r=1)^ntan^(- 1)(1/(2r^2))}` is equal to

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  10. The value of the lim(n->oo)tan{sum(r=1)^ntan^(- 1)(1/(2r^2))} is equal...

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  11. Let (x, y) be such that sin^-1 (ax) + cos^-1 (bxy)=pi/2 If a=1 an...

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