15 9. 12 B.
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Analytic Trigonometry
Section2.1: Using Fundamental Identities
Problem 4ECP
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Refer to triangle ABC, find each ratio
![2. cos A](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6474465c-96e9-4d23-ba44-4e1e2084c13e%2Fb14561d8-3424-4f3e-bdaf-763a5da6867f%2F0jnvn7b_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. cos A
![15
6.
12
A.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6474465c-96e9-4d23-ba44-4e1e2084c13e%2Fb14561d8-3424-4f3e-bdaf-763a5da6867f%2F92t2juh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:15
6.
12
A.
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