Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.1: Lines
Problem 2ECP
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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
![. What is the cosine of the angle O?
2
F
1
V3
E
O 2
O v3
3
O 2/3
3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc71fce9a-2f2b-41ff-aeec-0b09e6faefd2%2F5d7724f8-03b0-4534-804c-3e5deee496b4%2Fwjyb3yp_processed.png&w=3840&q=75)
Transcribed Image Text:. What is the cosine of the angle O?
2
F
1
V3
E
O 2
O v3
3
O 2/3
3
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