A rectangle has two corners on the x axis and the other two on the curve y cos x, with 2 x 2 What are the dimensions of the rectangle of this type with maximum area

Question: A rectangle has two corners on the x-axis and the other two on the curve y = cos x, with -/2 < x < /2.

A rectangle has two corners on the x-axis and the other two on the curve y = cos x, with -π/2 < x < π/2. What are the dimensions of the rectangle of this type with maximum area?

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