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Solution 4.2:1a

From Förberedande kurs i matematik 1

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The definition of the tangent states that

tanu=adjacentopposite Image:4_2_1_a.gif

In our case, this means that

tan27=x13

which gives x=13tan27.


Note: Using a calculator, we can work out what x should be,

x=13tan276.62.
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