Općinsko natjecanje 2000 SŠ3 2
Dodao/la:
arhiva2. travnja 2012. Za koje trokute vrijedi jednakost
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ako su
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,
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i
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, kutovi trokuta?
%V0
Za koje trokute vrijedi jednakost $$
\tg (\alpha -\beta )+\tg (\beta -\gamma )+\tg (\gamma -\alpha )=0,
$$ ako su $\alpha $, $\beta $ i $\gamma $, kutovi trokuta?
Izvor: Općinsko natjecanje iz matematike 2000