Use the diagram of AABC to prove each statement. 18. sin A = cos B 1 19. (tan A)2 +| = (cos A)- A

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
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Use the diagram of AABC to prove each statement.
18. sin A = cos B
1
19. (tan A)2 +| =
(cos A)-
A
Transcribed Image Text:Use the diagram of AABC to prove each statement. 18. sin A = cos B 1 19. (tan A)2 +| = (cos A)- A
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