Two ships leave port at the same time t = 0. Ship A travels East at km/hr while ship B heads North-West (135° relative to ship A) at 10 km/hr. Find the rate at which the distance between the two ships is increasing when t = 6. %3D

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Q: Thank you!! How about if I want to know the angular speed in radians/sec?

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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.