September 2018 1 37 Report

sprawdz prawdziwosc tozsamosci:

\frac{sin2x}{1+cos2x}=tgx

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rozwiaz uklad rownan:

\left \{ {{tg^2(x+y)=3} \atop {y-x=\frac{\pi}{3}}} \right

x∈<0,π> ; y∈<0,π>

bardzo prosze o dokladne obliczenia+wyjasnienie


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