T 800 m 16° = angle B 100 m K
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.
Paul and Diana are both looking at the top of a tower in the distance in the same line of sight, although Diana is 100 m ahead of Paul. Paul observes the tower at an angle of 16° with the ground. If the top of the tower is 800 m from Diana, what is Diana’s angle of sight with the ground?
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