futureofwwe futureofwwe

15-03-2017
Mathematics

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image 1
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image 2

image 1 image 2 class=

image 1 image 2 class=

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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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