futureofwwe
futureofwwe futureofwwe
  • 15-03-2017
  • Mathematics
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image 1
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image 2

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image 1 image 2 class=
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IsabellaRosette
IsabellaRosette IsabellaRosette
  • 15-03-2017
cosine of angle F = adjacent side / hypotenuse
Cosine of angle F = 60/61 Option C

In image 2, we have to find out the adjacent side
adjacent side =√ 41² - 40² = √81 = 9

Cosine of angle X = 9/41
Option C


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