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Use the law of cosines to find m



Use the law of cosines to find m-example-1

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Cos ø = A/H = 17/20

On your calculator:

  • Put in the fraction (17 divided by 20)
  • Press =
  • Press 2nd
  • Press cos

You should get 31.8 when you round it

User Jaiprakash Soni
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