Question: When designing a solar-energy collector, it is necessary to account for the latitude and longitude of the location, the angle of the sun, and the

When designing a solar-energy collector, it is necessary to account for the latitude and longitude of the location, the angle of the sun, and the angle of the collector. In doing this, the equation cosθ = cos A cos B cos C + sin A sin B is used. If θ = 90°, show that cos C = −tan A tan B.

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ANSWER Starting from the equation cos cos A cos B cos C sin A sin B we can substitute ... View full answer

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