Lösung 4.2:1f
Aus Online Mathematik Brückenkurs 1
(Unterschied zwischen Versionen)
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+ | The side adjacent to the angle of 50° is marked ''x'' and the opposite is the side of length 19. | ||
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[[Image:4_2_1_f.gif|center]] | [[Image:4_2_1_f.gif|center]] | ||
- | + | If we write the tangent for the angle, this gives a relation which contains ''x'' as the only unknown, | |
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- | If we write the tangent for the angle, this gives a relation which contains | + | |
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+ | {{Displayed math||<math>\tan 50^{\circ} = \frac{19}{x}\,\textrm{.}</math>}} | ||
This gives | This gives | ||
- | + | {{Displayed math||<math>x=\frac{19}{\tan 50^{\circ }}\quad ({}\approx 15\textrm{.}9)\,\textrm{.}</math>}} | |
- | <math>x=\frac{19}{\tan 50^{\circ }}\quad | + |
Version vom 14:22, 8. Okt. 2008
The side adjacent to the angle of 50° is marked x and the opposite is the side of length 19.
If we write the tangent for the angle, this gives a relation which contains x as the only unknown,
This gives