5. Looking up at an apartment complex, the angle of elevation to the top of the building is 78°. The angle of elevation to the top of a window on the fourth floor, 48 feet above the ground, is 56°. What is the height of the building?
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.
5. Looking up at an apartment complex, the
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