Lösung 4.2:1a
Aus Online Mathematik Brückenkurs 1
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Version vom 14:50, 22. Okt. 2008
The definition of the tangent states that
| \displaystyle \tan u=\frac{\text{opposite}}{\text{adjacent}} | 
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In our case, this means that
| \displaystyle \tan 27^{\circ} = \frac{x}{13} |
which gives \displaystyle x = 13\cdot \tan 27^{\circ}\,.
Note: Using a calculator, we can work out what x should be,
| \displaystyle x = 13\cdot\tan 27^{\circ} \approx 6\textrm{.}62\,\textrm{.} |
