January 2019 0 14 Report
Prosze o pomoc dam naj,,,
zadanie z matmy.

Oblicz:
a/I tg25 *+ tg65*)sin25*sin65*.
b/ cos^2 15*tg^215*+sin^2 75*.
c/ (sin 40* +cos 50*0^2 +(sin50* + cos 40*)^2.

Bardzo prosze ,,,
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