SOLUTION: in triangle ABC, a = 7, b = 5, and c = 8. What is the value of cosC?

Question 957420: in triangle ABC, a = 7, b = 5, and c = 8. What is the value of cosC?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
in triangle ABC, a = 7, b = 5, and c = 8. What is the value of cosC?
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Use the Cosine Law.
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