已知△ABC的顶点A(0,-4)、B(0,4),且4(sinB-sinA)=3sinC,则顶点C的轨迹方程是( )
A.-="1(x>3) " B.-=1(x<-7)
C.-="1(y>3) " D.-=1(y<-3)
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已知△ABC的顶点A(0,-4)、B(0,4),且4(sinB-sinA)=3sinC,则顶点C的轨迹方程是( )
A.-="1(x>3) " B.-=1(x<-7)
C.-="1(y>3) " D.-=1(y<-3)