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Unit 6 Review

Last updated almost 3 years ago

37 questions

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Question 32

32.

A ladder has a safety warning that says that the ladder is safe as long as the angle it makes with the ground does not exceed 70o when it is leaned against a wall. If the ladder is 20 feet, how far can it reach vertically when leaned against a wall? Round to the nearest tenth.

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Question 1

1.

What is sine of alpha?

Question 2

2.

What is cosine of alpha?

Question 3

3.

What is tangent of alpha?

Question 4

4.

What is sine of beta?

Question 5

5.

What is cosine of beta?

Question 6

6.

What is tangent of beta?

Question 7

7.

What is sine of 10 degrees. Round to the nearest hundredth.

Question 8

8.

What is sine of 20 degrees. Round to the nearest hundredth.

Question 9

9.

What is sine of 30 degrees. Round to the nearest hundredth.

Question 10

10.

What is sine of 60 degrees. Round to the nearest hundredth.

Question 11

11.

What is sine of 70 degrees. Round to the nearest hundredth.

Question 12

12.

What is sine of 80 degrees. Round to the nearest hundredth.

Question 13

13.

What is cosine of 10 degrees. Round to the nearest hundredth.

Question 14

14.

What is cosine of 20 degrees. Round to the nearest hundredth.

Question 15

15.

What is cosine of 30 degrees. Round to the nearest hundredth.

Question 16

16.

What is cosine of 60 degrees. Round to the nearest hundredth.

Question 17

17.

What is cosine of 70 degrees. Round to the nearest hundredth.

Question 18

18.

What is cosine of 80 degrees. Round to the nearest hundredth.

Question 19

19.

For what angle would sine and cosine have the same value? (Hint: use your answers from above to help you.)

Question 20

20.

Based on the figure, select all the true equations.

A. tan(53o) = 8/6

B. sin(53o) = 4/5

C. tan(90o) = 10/6

D. cos(37o) = 4/5

E. sin(37o) = 6/8

Question 21

21.

Which trigonometric function could be used to find the value of x?

Question 22

22.

Which trigonometric function could be used to find the value of y?

Question 23

23.

What is the value of a? Round to the nearest tenth.

Question 24

24.

What is the value of b? Round to the nearest tenth.

Question 25

25.

What is the value of c? Round to the nearest tenth.

Question 26

26.

What is the value of d? Round to the nearest tenth.

Question 27

27.

What is the value of x? Round to the nearest tenth.

Question 28

28.

What is the value of x? Round to the nearest tenth.

Question 29

29.

What is the length of TV? Round to the nearest tenth.

Question 30

30.

What is the length of TU? Round to the nearest tenth.

Question 31

31.

What is the measure of angle V? Round to the nearest tenth.

Question 33

33.

An air traffic controller at an airport sights a plane at an angle of elevation of 28o. The pilot reports that the plane's altitude is 4500 feet. Find the horizontal distance from the control tower to the plane. Round to the nearest tenth.

Question 34

34.

An air traffic controller at an airport sights a plane at an angle of elevation of 28o. The pilot reports that the plane's altitude is 4500 feet. Find the actual distance from the control tower to the plane. Round to the nearest tenth.

Question 35

35.

The pilot of a helicopter sights a fire at an angle of depression of 11o. The helicopter's altitude is 1700 feet. To the nearest foot, what is the horizontal distance from the helicopter to the fire?

Question 36

36.

A mountain pass decreases in altitude by 200 feet over 1,100 feet of actual driving distance. What is the angle of descent of the road? Round to the nearest tenth.

Question 37

37.

A mountain pass decreases in altitude by 200 feet over 1,100 feet of actual driving distance. Gavin has worn brake pads and isn't supposed to drive at an angle of descent more than 12 degrees for extended amounts of time.
Gavin __________avoid the mountain pass, because __________.