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Tri

Posted: 12/12-2011 20:48
by Trippelganger
Fram

Posted: 12/12-2011 20:53
by Vektormannen
Husk at [tex]\sin^2 v = (\sin v)^2[/tex], så her kan du faktorisere:

[tex]\sin v (2 \sin v - 1) = 0[/tex]

Tar du det herfra?

Posted: 12/12-2011 21:14
by Trippelganger
Lett