A rectangle is to be inscribed under the arch of the curve y 4 cos (0 5x) from x to x What are the dimensions of the rectangle with largest area, and what is the largest area

Question: A rectangle is to be inscribed under the arch of the curve y = 4 cos (0.5x) from x = - to x = .

A rectangle is to be inscribed under the arch of the curve y = 4 cos (0.5x) from x = -π to x = π. What are the dimensions of the rectangle with largest area, and what is the largest area?

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