1) при wt=60 sin90=1, i1=0.5*1=0.5 A
2) i1=-0.5 при sin(wt+30)=-1, значит при wt+30=270, wt=240°
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1) при wt=60 sin90=1, i1=0.5*1=0.5 A
2) i1=-0.5 при sin(wt+30)=-1, значит при wt+30=270, wt=240°