A 10 foot ladder is leaning against a wall, with its base 3 feet from the wall. It begins to slide down at a rate of 1 ft/s. At what rate is the angle the ladder makes with the ground changing when the top of the ladder is 2 feet from the ground?
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 10 foot ladder is leaning against a wall, with its base 3 feet from the wall. It begins to slide down at a rate of 1 ft/s. At what rate is the angle the ladder makes with the ground changing when the top of the ladder is 2 feet from the ground?
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