Question: A trough with trapezoidal cross sections is formed by turning up the edges of a 30-inch-wide sheet of aluminum (see figure). Find the cross section

A trough with trapezoidal cross sections is formed by turning up the edges of a 30-inch-wide sheet of aluminum (see figure). Find the cross section of maximum area.

X 30 - 2x X 0

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A DA From 30 sin 4x sin 2x sin cos 0 0 DA 302x 302x 2x cos 30 30... View full answer

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