Mathematics
heatherhgvu271
2016-04-25 13:34:27
Find the value!!! With the law of cosine
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falcao10
2016-04-25 15:25:38

I hope this helps you side a =4 side b =5 side c =2 a²+b²-2.a.b.cos C=2² 2.a.b.cos C=37

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