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Chapter 8 Review

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Last updated over 5 years ago
16 questions
5
5
5
10
10
5
5
5
2
4
2
4
1
10
1
10
Question 1
1.

sin B = ? (fraction)

Question 2
2.

tan A = ? (fraction)

Question 3
3.

cos B = ? (fraction)

How to use Desmos Scientific Calculator to do trigonometric functions.

Question 4
4.

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Question 5
5.

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Question 6
6.

Solve the equation:


Round your answer to the nearest hundredth.

Question 7
7.

Solve the equation:



Round your answer to the nearest hundredth.

Question 8
8.

Solve the equation:



Round your answer to the nearest hundredth.


Question 9
9.

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

Question 10
10.

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

  1. height of plane=866.03 m
Question 11
11.

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

Question 12
12.

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

  1. height of tree=62.93 feet
Question 13
13.

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

Question 14
14.

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

Question 15
15.

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

Question 16
16.

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

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




tan 89
.5774
sin 56
.5
sin 45
.8660
tan 73
1
sin 30
.7071
tan 30
.9748
cos 61
57.2897
tan 45
.4848
cos 30
.8290
cos 12
3.2709
Simplify the folllowing expressions to its decimal equivalent rounded to the nearest four decimal places . (Use a calculator)



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