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irina1246 [14]
4 years ago
5

Someone please help!!

Mathematics
1 answer:
Alinara [238K]4 years ago
6 0
To determine what the value of X is simply use the appropriate trigonometric ratio, which in this case is cos.

Cos 21 = 3/X
X • cos 21 = 3
X = 3/(cos 21)
X = 3.123 about 3.1

The value of X to the nearest tenth would be about 3.1.
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