Example: Find the measure of each angle. Round your answer to the neares 2. Cos B = 10 %3D 12 1. Sin A° = 15 .A = ,B = 16 4. Sin A° = .25 ,A = 5. Cos B = .54 , B = - 44 7. Sin A° = 45 23 ,A 3D 8. Cos B = , B = %3D 57
Example: Find the measure of each angle. Round your answer to the neares 2. Cos B = 10 %3D 12 1. Sin A° = 15 .A = ,B = 16 4. Sin A° = .25 ,A = 5. Cos B = .54 , B = - 44 7. Sin A° = 45 23 ,A 3D 8. Cos B = , B = %3D 57
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Concept explainers
Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
Question
Transcribed Image Text:12. Cs
Example: Find the measure of each angle. Round your answer to the nearest
0.992
0.032
14. Cos 87° =
13. Sin 62° =
15.
10
2. Cos B =
16
B =
12
.A D
1. Sin A° =
15
5. Cos B = .54
,B =
4. Sin A° = .25
,A =
23
8. Cos B =
57
44
B =
7. Sin A° =
45
,A D
10. Sin A° = .32
A 3D
11. Cos B = .55 , B =
Transcribed Image Text:nearest tenth.
6.
3. Tan C =
6. Tan C = .66 ,C =_
9. Tan C = . C = _
12. Tan C = .212 ,C =_
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