September 2018 1 43 Report

oblicz wartosc wyrazenia:
a)2-\sqrt5sin^216^0+tg43^0*tg47^0-\sqrt5cos^216^0\\ b)(\frac{tg17^0}{ctg73^0}+\frac{ctg21^0}{tg69^0})^{-1}\\ odp:\\ a)3-\sqrt5\\ b)\frac{1}{2}

bardzo dokladne obliczenia


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