Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
Related questions
Question
![7
1. a and B are acute angles in quadrant 1, with sin a = - and cos B =-
. Determine the exact
25
value of cos (a –-B). Show all of your work.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8598246c-9f41-432b-a7d5-abdd6039629c%2F3c7869dd-04a2-43f4-9ba3-94bea4ad75a2%2Fagacdzq_processed.png&w=3840&q=75)
Transcribed Image Text:7
1. a and B are acute angles in quadrant 1, with sin a = - and cos B =-
. Determine the exact
25
value of cos (a –-B). Show all of your work.
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