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People help me !!!!!!
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People help me !!!!!!

People help me !!!!!!-example-1
User Aneesh Kumar
by
5.1k points

1 Answer

8 votes

Answer:

A

Explanation:

Find Θ from the problem by using arcos. Find that Θ=64.158....

plug this into cos(Θ) and find that cos(Θ)=
(√(19) )/(10) or 0.43589. A is the only answer choice with this so it must be correct.

User Mimouni
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5.0k points
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