Solar heating and electric panels should face the sun so that you gain as much sunlight as possible. Fixed panels are mounted at the best winter angle to the horizontal according to the following formula: ? = 0.90 · (your latitude in degrees) + 29°. A homeowner in upstate New York (latitude 42.64°N) wishes to mount a solar heating panel that is 3.0 ft wide and 6.0 ft long facing south with its 3.0 ft side mounted on a flat roof at the appropriate winter angle. (Round your answers to two significant digits.)   (a) Find the height (in ft) above the roof of the top of the solar panel.   (b) Given that the width of the base of support is 3.0 ft, find the length (in ft) of the base of the support if the top of the solar panel is supported by vertical posts.

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Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.