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OpenStudy (anonymous):
Use the law of cosines to find the value of cos. Round your answer to two decimal places. A. 0.23 B. 0.35 C. 0.84 D. -1.04
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OpenStudy (anonymous):
OpenStudy (anonymous):
\[\huge CosA =\frac{b^2+c^2-a^2}{2bc}\]
OpenStudy (anonymous):
Use that law ^^^^
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