A fire chief in a helicopter is flying directly towards two fires, one of which is further away but along the same direction. She observes that the angles of depression to the two fires are 30° and 50°. At that moment, her helicopter is at an altitude of 800 m. Determine the distance between the two fires. Select one: O a. 714 m O b. 671 m O c. 1 044 m O d. 1386 m
A fire chief in a helicopter is flying directly towards two fires, one of which is further away but along the same direction. She observes that the angles of depression to the two fires are 30° and 50°. At that moment, her helicopter is at an altitude of 800 m. Determine the distance between the two fires. Select one: O a. 714 m O b. 671 m O c. 1 044 m O d. 1386 m
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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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.
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![A fire chief in a helicopter is flying directly towards two fires, one of which is further away but along the same
direction. She observes that the angles of depression to the two fires are 30° and 50°. At that moment, her helicopter
is at an altitude of 800 m.
Determine the distance between the two fires.
Select one:
O a. 714 m
Ob. 671 m
O c.
1 044 m
O d. 1386 m
1:26 PM
ENG
18
2021-05-16](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F81056fdb-110b-4089-a3f7-a3a6cee3040b%2F922b151b-1941-4246-bcf1-f0c49f1682b8%2Fcigtx_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A fire chief in a helicopter is flying directly towards two fires, one of which is further away but along the same
direction. She observes that the angles of depression to the two fires are 30° and 50°. At that moment, her helicopter
is at an altitude of 800 m.
Determine the distance between the two fires.
Select one:
O a. 714 m
Ob. 671 m
O c.
1 044 m
O d. 1386 m
1:26 PM
ENG
18
2021-05-16
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