把曲线ycosx+2y-1=0先沿x轴向右平移个单位,再沿y轴向下平移1个单位,得到的曲线方程是( )
A.(1-y)sinx+2y-3=0 | B.(y-1)sinx+2y-3=0 |
C.(y+1)sinx+2y+1=0 | D.-(y+1)sinx+2y+1=0 |
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把曲线ycosx+2y-1=0先沿x轴向右平移个单位,再沿y轴向下平移1个单位,得到的曲线方程是( )
A.(1-y)sinx+2y-3=0 | B.(y-1)sinx+2y-3=0 |
C.(y+1)sinx+2y+1=0 | D.-(y+1)sinx+2y+1=0 |
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