While riding on a Ferris wheel, Trevor’s height above the ground in terms of time can be represented by the graph shown. a) What is the period of this function, and what does it represent? b) What is the equation of the axis? c) What is the amplitude?
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.
While riding on a Ferris wheel, Trevor’s height above the ground in terms of time can be represented by the graph shown.
a) What is the period of this function, and what does it represent? b) What is the equation of the axis?
c) What is the amplitude?
d) What is the range of the function?
e) After 24 s, when will Trevor be at the lowest height again? f) At what time is Trevor at the top of the wheel?
g) When will his height be 4 m between 24 s and 30 s?
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