摘要: 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.得到曲线方程为:( ) sinx+2y-3=0 sinx+2y-3=0 sinx+2y+1=0 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( )
| π |
| 2 |
| 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 |
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( )
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| π |
| 2 |
| 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 |
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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