davinioza
davinioza davinioza
  • 08-08-2017
  • Mathematics
contestada

What is the cosine of angle X?

What is the cosine of angle X class=

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clee07
clee07 clee07
  • 08-08-2017
C)9/41
cos=adj/hypot
cos(x)=9/41
hope this helps:)
please mark thanks and brainliest!
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Аноним Аноним
  • 08-08-2017
cos X = adj / hyp = XY/41

XY = sqrt (41^2 - 40^2) = sqrt81 = 9

answer is 9/41
Answer Link

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