Concept explainers
(a)
The distance, d from the observer to the plane if an airplane, flying at an altitude of 6 miles, is on a flight path that passes directly over an observer, the angle of elevation from the observer to the planeis
(a)

Answer to Problem 97E
The distance, d from the observer to the plane is 12 miles
Explanation of Solution
Given info:
Opposite side = 6 miles
Formula used:
Calculation:
Given that
We have
Conclusion:
Thus,the distance, d from the observer to the plane is 12 miles
(b)
The distance, d from the observer to the plane if an airplane, flying at an altitude of 6 miles, is on a flight path that passes directly over an observer, the angle of elevation from the observer to the plane is
(b)

Answer to Problem 97E
The distance, d from the observer to the plane is 6 miles
Explanation of Solution
Given info:
Opposite side = 6 miles
Formula used:
Calculation:
Given that
We have
Conclusion:
Thus,the distance, d from the observer to the plane is 6 miles
(c)
The distance, d from the observer to the plane if an airplane, flying at an altitude of 6 miles, is on a flight path that passes directly over an observer, the angle of elevation from the observer to the plane is
(c)

Answer to Problem 97E
The distance, d from the observer to the plane is 12 miles
Explanation of Solution
Given info:
Opposite side = 6 miles
Formula used:
Calculation:
Given that
We have
Conclusion:
Thus,the distance, d from the observer to the plane is 12 miles
Chapter 4 Solutions
EBK PRECALCULUS W/LIMITS
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