에 13) COS 2 2
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.5: Percents
Problem 14WE
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Question
FInd the exact value of the expression.
![13) cos
--
2
2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fde686ef5-033a-45f4-bd25-d59cf7ce0821%2Fe0978158-f45c-4b9f-9aca-6d208382afcd%2Foumn64c_processed.jpeg&w=3840&q=75)
Transcribed Image Text:13) cos
--
2
2
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