AnswersEA Pre-Calculus Credit RecoveryApplying Trigonometric Functions

Applying Trigonometric Functions Answers

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1
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If

Question illustration
A
24.6
B
25.1
C
31.5
D
32.9
2
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If and , then find c.

Question illustration
A
32.6
B
40.2
C
41.1
D
51.6
3

If and , then find a.

Question illustration
A
12.4
B
14.5
C
16.2
D
18.4
4

If

Question illustration
A
4.5
B
5.6
C
6.3
D
7.4
5

If

Question illustration
A
22.5
B
20.2
C
18.4
D
16.6
6

When a 757 passenger jet begins its descent to the Ronald Reagan National Airport in Washington, D.C., it is 3900 feet from the ground. Its angle of descent is . How far must the plane fly to reach the runway?

Question illustration
A
ft
B
ft
C
ft
D
ft
7

If and find . Round to the nearest tenth. a. c. b. d. Please select the best answer from the choices provided

Question illustration
A
A
B
B
C
C
D
D
8

If and find . Round to the nearest tenth. a. c. b. d. Please select the best answer from the choices provided

Question illustration
A
A
B
B
C
C
D
D
9

When a 757 passenger jet begins its descent to the Ronald Reagan National Airport in Washington, D.C., it is 3900 feet from the ground. Its angle of descent is . What is the plane’s ground distance to the airport?

Question illustration
A
ft
B
ft
C
ft
D
ft
10

Which trigonimetric function would you use to solve the problem? If and , find RS.

Question illustration
A
tan or cot
B
sin or csc
C
cos or sec
D
sin or cos

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