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Can someone help me with this, I’ll give ratings
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1 vote
Can someone help me with this, I’ll give ratings

Can someone help me with this, I’ll give ratings-example-1
User Pedro Bernardes
by
4.6k points

1 Answer

8 votes

Answer:

-0.6000

Explanation:

sin² A + cos² A = 1

sin² A = 1 - Cos² A

= 1 - (4/5)²

= 1 - 0.64

= 0.36

sin A = sqrt 0.36 = 0.6

in quadrant IV sin is negative

sin A = -0.6000

User Joschua
by
5.3k points
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