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Use a trigonometric function to find the value of X


Use a trigonometric function to find the value of X ​-example-1

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Explanation:

Remember for RIGHT triangles S-O-H-C-A-H-T-O-A

Cosine 45 = Adjacent leg / Hypotenuse

cos 45 + x / 12

12 cos 45 = x

x = 12 sqrt(2) / 2 = 6 sqrt 2 = ~ 8.49 units

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