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Chapter 8 Review

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Last updated almost 6 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)




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



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