Processing Math: Done
Solution 4.2:2f
From Förberedande kurs i matematik 1
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
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which is an equation for v.
