From the top of a 200-ft lighthouse, the angle of depression to a ship in the ocean is 23degree. How far is the ship from the base of the lighthouse?

Q: Fred was measuring the height of a building. He stood standing at some distance from the building…

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Q: Find the measure of the supplement of a 115° angle.

A: If the sum of two angles is 180 degree then they are called supplementary angles. Let the supplement…

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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.