Question: Derive an expression for the minimum allowable distance between east-west rows of solar collectors that will assure no shading of one row by the row

Derive an expression for the minimum allowable distance between east-west rows of solar collectors that will assure no shading of one row by the row immediately to the south. Use the law of sines and express the result in terms of the collector tilt and face length and the controlling value of the solar profile angle.

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