A ship's captain notes that a second ship is 14.5 km away at an angle of 45° N of E and a third ship is 21.7 km away in a direction of 20°N of W. How far apart are the second and third ships?

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A: Dear,as per company guidelines we can answer only one question at a time,kindly post other question…

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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.