найдите значение выражения 26/sin(- 47п/6) cos 32п/3
sin(- 47п/6) cos 32п/3=sinpi\6*cos2pi\3=1\2*-1\2=-1\4
26\-1\4=-106
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sin(- 47п/6) cos 32п/3=sinpi\6*cos2pi\3=1\2*-1\2=-1\4
26\-1\4=-106