Two buildings are 30 m apart. The angle of depression from the top of the taller building to the top of the shorter building is 12°. The height of the shorter building is 45 m. What is the height of the taller building? Draw a diagram and label it with the appropriate information.
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.
Two buildings are 30 m apart. The
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