lissa1858 lissa1858
  • 04-07-2018
  • Mathematics
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Suppose cos V = 2/3 in the diagram below. What is TV?

Suppose cos V 23 in the diagram below What is TV class=

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Luv2Teach
Luv2Teach Luv2Teach
  • 04-07-2018
If the cos V is 2/3, we know it has to have been reduced down from a larger ratio.  The cosine identity is side adjacent over hypotenuse, so if the reduced ratio is 2/3 then 24 has been divided by 8 to get 3.  Multiply the 2 by 8 also to get side TV.  TV = 16.  cos V = 16/24 which simplifies to 2/3. 
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