(3cos(28)cos(34)-3cos(62)cos(56))/(sin(74)cos(46)-cos(44)sin(16))=(3(cos(28)cos(34)-cos(62)cos(56)))/(sin(74)cos(46)-cos(44)sin(16))=(3(cos(28)cos(34)-sin(28)sin(34)))/(cos(16)sin(44)-cos(44)sin(16))=3cos(28+34)/sin(44-16)=3cos(62)/sin(28)=-3cos(62)/cos(62)=-3
Ответ: -3
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(3cos(28)cos(34)-3cos(62)cos(56))/(sin(74)cos(46)-cos(44)sin(16))=(3(cos(28)cos(34)-cos(62)cos(56)))/(sin(74)cos(46)-cos(44)sin(16))=(3(cos(28)cos(34)-sin(28)sin(34)))/(cos(16)sin(44)-cos(44)sin(16))=3cos(28+34)/sin(44-16)=3cos(62)/sin(28)=-3cos(62)/cos(62)=-3
Ответ: -3