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.
Initial speed of a golf shot A golfer stands 420 ft horizontally from the hole and 50 ft above the hole (see figure). If the ball leaves the ground at an initial angle of 30° with the horizontal, with what initial speed should it be hit to land in the hole?
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