Answer 4.2:8
From Förberedande kurs i matematik 1
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(Ny sida: {| width="100%" cellspacing="10px" | |width="100%" | <math>\ell\cos \gamma=a \cos \alpha - b\cos \beta </math> |})
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Revision as of 15:26, 2 April 2008
\displaystyle \ell\cos \gamma=a \cos \alpha - b\cos \beta |