2sin(x)+3cos(x)=0
2sin(x)=-3cos(x)
sin(x)/cos(x)=-3/2
tg(x)=-3/2
x=arctg(-3/2)+pi*n
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2sin(x)+3cos(x)=0
2sin(x)=-3cos(x)
sin(x)/cos(x)=-3/2
tg(x)=-3/2
x=arctg(-3/2)+pi*n