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Pls help i really really need it, the question is on the picture

will mark the brain thing
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Pls help i really really need it, the question is on the picture will mark the brain-example-1
User Hfarazm
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1 Answer

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Explanation:

Use ToA method (tan = opposite / adjacent)

For this question we have to use pythagoras' Theorem to find the adjacent side.

take a as the length of the adjacent side.

given b = 12

c = 13

By pythagoras' Theorem,


{c}^(2) = {a}^(2) + {b}^(2) \\ {a}^(2) = {c}^(2) - {b}^(2) \\ {a}^(2) = {13}^(2) - {12}^(2) \\ {a}^(2) = 169 - 144 \\ {a}^(2) = 25 \\ a = √(25) \\ = 5

Now we can find tan(x)

tan(x) = Opposite / adjacent


= (12)/(5)

User Nuwan Chamikara
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