The cross section of a rain gutter is shown below. It is made of a steel sheet that is bent at two locations. Assign the area of the cross-section of this rain gutter to the variable Amax. a) With L = 10cm, what is the angle 0 that maximizes the water content that can the carried by the rain gutter? (In other words, what is the angle 0 that maximizes the blue area in the image?)

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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.