MY When a rocket is 6 kilometers high, it is moving vertically upward at a speed of 600 kilometers per hour. At that instant, how fast is the angle of elevation of the rocket increasing, as seen by an observer on the ground 5 kilometers from the launching pad? ( Hint: The angle of elevation is the angle between the horizontal ground and the line of sight with respect to the rocket.) When the rocket is 6 kilometers high, the angle of elevation from the observer is changing at a rate of X radians per hour. Submit Answer

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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.