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.
the angles elevation to the top og the builing from a point on the round 50 yards from its base is 50 degree . find the heigh of the bulding to the nearsest yard
First draw a rough sketch of the building with height h and the elevation angle of 50 degree as shown below.
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