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matematika » Basket » Geometrija » Trougao » Problem zadatak

Problem zadatak

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1Problem zadatak Empty Problem zadatak Sun Oct 06, 2013 11:38 am

Saraaa



Imam problem sa ovim zadatkom, molim vas za pomoc.
tg alfa + ctg alfa= 1/(sin alfa x cos alfa)
Hvala unapred...

2Problem zadatak Empty Re: Problem zadatak Sat Nov 30, 2013 12:12 pm

xy^2

xy^2
Admin

Saraaa (citat):Imam problem sa ovim zadatkom, molim vas za pomoc.
tg alfa + ctg alfa= 1/(sin alfa x cos alfa)
Hvala unapred...
tga+ctga=sina/cosa +cosa/sina  =[(sina)^2 +(cosa)^2]/sinacosa=
1/sinacosa

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