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Calculate cose to two decimal places.
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Calculate cose to two decimal places.

Calculate cose to two decimal places.-example-1
User Dan Morphis
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1 Answer

2 votes

Answer:

B. 0.69

Explanation:

Law of Cosines: cos A = (b² + c² - a²) / 2bc

cosθ = (7² + 11² - 8²) / 2*7*11 = 106/154 = 0.688 ≈ 0.69

User Mcabral
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