1. From the top of the cliff 126m high, the angle of depression of a boat is 20.7°. How far is the boat from the foot of the cliff?
1. From the top of the cliff 126m high, the angle of depression of a boat is 20.7°. How far is the boat from the foot of the cliff?
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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.
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Transcribed Image Text:1. From the top of the cliff 126m high, the angle of depression of a boat is 20.7°. How far is the
boat from the foot of the cliff?
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