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OpenStudy (anonymous):
In ∆ABC, what is the value of cos B?
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OpenStudy (anonymous):
OpenStudy (anonymous):
@misssunshinexxoxo
OpenStudy (misssunshinexxoxo):
What are answer choices? I over simplified it
OpenStudy (anonymous):
5/4, 3/4, 3/5, 4/5, 4/3
OpenStudy (misssunshinexxoxo):
4/3
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OpenStudy (misssunshinexxoxo):
Review this real fast https://www.mathsisfun.com/sine-cosine-tangent.html
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