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If O is the point inside the triangle ABC such that lfloor OBC = A//2, lfloor OCA = B//2 , lfloor OAB = C//2 then (Sin(A -C//2)Sin(B-C//2).Sin(C-B//2))/(Sin A//2 . Sin B//2.SinC//2) = |
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Answer» 1 |
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