As illustrated in the figure, a car is traveling along one road, away from the intersection, at 10 mi/h, and a person is standing on the other road, 3 miles away from the intersection. Find the rate of change of the distance between the car and the person when the car is 8 miles away from the intersection by answering the parts below.

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter1: Trigonometry
Section: Chapter Questions
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looking for B, C, D from attached pic

1.
Two straight roads meet at a 7/3 radian angle as in the following figure:
Poad I
Car
pernon
Rond 2
As illustrated in the figure, a car is traveling along one road, away from the intersection, at 10 mi/h,
and a person is standing on the other road, 3 miles away from the intersection. Find the rate of change
of the distance between the car and the person when the car is 8 miles away from the intersection by
answering the parts below.
(a) Clearly express the necessary variables to solve the problem.
(b) Clearly express mathematically in variables what is given.
(c) Clearly express mathematically in variables what we are asked to find.
(d) Clearly express the equation that relates the necessary variables. You must use the Law of Cosines,
which we recall,
B
: A+6 - 2ABCOSO
A
Transcribed Image Text:1. Two straight roads meet at a 7/3 radian angle as in the following figure: Poad I Car pernon Rond 2 As illustrated in the figure, a car is traveling along one road, away from the intersection, at 10 mi/h, and a person is standing on the other road, 3 miles away from the intersection. Find the rate of change of the distance between the car and the person when the car is 8 miles away from the intersection by answering the parts below. (a) Clearly express the necessary variables to solve the problem. (b) Clearly express mathematically in variables what is given. (c) Clearly express mathematically in variables what we are asked to find. (d) Clearly express the equation that relates the necessary variables. You must use the Law of Cosines, which we recall, B : A+6 - 2ABCOSO A
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