A small rocket is launched straight up in the air at a speed of 4ft/sec. A camera on the ground, 10 feet from launch pad, is taping the launch. At what rate is the angle of elevation of the camera (between the cameras line of site and the ground) changing when the rocket is 20 ft in the air?
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.
A small rocket is launched straight up in the air at a speed of 4ft/sec. A camera on the ground, 10 feet from launch pad, is taping the launch. At what rate is the angle of elevation of the camera (between the cameras line of site and the ground) changing when the rocket is 20 ft in the air?
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