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Chapter 8 Review

Last updated over 5 years ago
16 questions
5

sin B = ? (fraction)

5

tan A = ? (fraction)

5

cos B = ? (fraction)

How to use Desmos Scientific Calculator to do trigonometric functions.

10

Match the right trig function to its decimal equivalent rounded to the nearest four decimal places. (Use a calculator)




Draggable itemCorresponding Item
sin 56
.5774
tan 45
.5
sin 45
.8660
cos 30
1
tan 30
.7071
cos 12
.9748
sin 30
57.2897
tan 89
.4848
tan 73
.8290
cos 61
3.2709
10

Simplify the folllowing expressions to its decimal equivalent rounded to the nearest four decimal places . (Use a calculator)



Draggable itemCorresponding Item
(12.2)cos 61
9.2376
13sin 30
6.5
2.5(tan 45)
40.7032
.0589
21tan 73
2.5
0.0152
16(tan 30)
88.0184
5.9147
47(cos 30)
53.6127
68.6879
5

Solve the equation:


Round your answer to the nearest hundredth.

5

Solve the equation:



Round your answer to the nearest hundredth.

5

Solve the equation:



Round your answer to the nearest hundredth.


2

Which trigonometric ratio should you use to solve for the height of the plane?

4

Put the steps in the correct order to solve for the height of the plane.

  4. height of plane=866.03 m
2

Which trigonometric ratio should you use to solve for the height of the tree?

4

Put the steps in the correct order to solve for the height of the tree?

  4. height of tree=62.93 feet
1

Which trig ratio should you use to solve for side BC?

10

What is the length of side BC? Round your answer to the nearest hundredth. (two decimal places)

1

Which trig ratio should you use to solve for side BA?

10

What is the length of side BA? Round your answer to the nearest hundredth. (two decimal places)