(c) Find the height of the flagpole. 53. Distance Air traffic controllers continuously monitor the angles of elevation 0 and ø to an airplane from an airport control tower and from an observation post 2 miles away (see figure). Write an equation giving the distance d between the plane and the observation post in terms of 0 and ø. Airport control d Observation tower post A B 2 mi Not drawn to scale
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.
Distance Air traffic controllers continuously
monitor the
from an airport control tower and from an observation
post 2 miles away (see figure). Write an equation giving
the distance d between the plane and the observation
post in terms of θ and ϕ.
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