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I need help ! please!
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I need help ! please!

I need help ! please!-example-1
User Daniel Griscom
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1 Answer

1 vote

Answer:

D

Explanation:

sin A = opp. /hyp. = CB/AB = 12/ 15 so CB =12 and AB=15

apply Pythagorean Th. for triangle ABC to find AC

AC²= AB²-CB² = 15²-12² = 81; AC = √81=9

tan A = opp./adj. = CB /AC = 12/ 9 = 4/3

User Gokhan Gerdan
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