In each right triangle ABC, find B. The right angle is at C. 7. a 11.7 m, b 14.9 m 8. a 39.8 ft, c 56.8 ft 9. The angle of depression from the top of 64-ft-tall tower to a deer is 47 16'. Find the distance from the deer to the bottom of the tower.
In each right triangle ABC, find B. The right angle is at C. 7. a 11.7 m, b 14.9 m 8. a 39.8 ft, c 56.8 ft 9. The angle of depression from the top of 64-ft-tall tower to a deer is 47 16'. Find the distance from the deer to the bottom of the tower.
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
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Chapter3: Additional Topics In Trigonometry
Section3.2: Law Of Cosines
Problem 1ECP: Find the three angles of the triangle whose sides have lengths a=6 centimeters, b=8 centimeters, and...
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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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![In cach right triangle ABC, find B. The right angle is at C.
7. a 11.7 m, b= 14.9 m
8. a= 39.8 Ii, c = 56.8 ft
9. The angle of depression from the top of
a 64-ft-tall tower to a deer is 47 16,
Find the distance from the deer to the
bottom of the tower.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fce0f29cc-98be-45bb-9fb8-5b9efd247a01%2F431dadb8-cb7c-4495-b24c-29d5bff19129%2Furgb9lv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In cach right triangle ABC, find B. The right angle is at C.
7. a 11.7 m, b= 14.9 m
8. a= 39.8 Ii, c = 56.8 ft
9. The angle of depression from the top of
a 64-ft-tall tower to a deer is 47 16,
Find the distance from the deer to the
bottom of the tower.
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