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If the cylindrical stone of 4.5m long and 10/3m diameter has been rolled, then how many square meters will it roll in 200 rounds? How come no one will answer this question? Is the domain [-3,6)? Find the exact value of the expression. Sin(π/12)Cos(π/4) + Cos(π/12)Sin(π/4)....? How red dot sights work? What are their most common applications?