Lösung 4.2:2f

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If we look at one of the triangles, we can set up the trigonometrical relation
If we look at one of the triangles, we can set up the trigonometrical relation
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{{Displayed math||<math>\sin\frac{v}{2} = \frac{1}{3}\,,</math>}}
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{{Abgesetzte Formel||<math>\sin\frac{v}{2} = \frac{1}{3}\,,</math>}}
which is an equation for ''v''.
which is an equation for ''v''.

Version vom 08:51, 22. Okt. 2008

Because the triangle is isosceles (two sides have the same length), it can be divided up into two right-angled triangles of the same size by introducing a side which divides the angle v in half.

If we look at one of the triangles, we can set up the trigonometrical relation

\displaystyle \sin\frac{v}{2} = \frac{1}{3}\,,

which is an equation for v.

Von „http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php/L%C3%B6sung_4.2:2f“