• 2022-06-09
    已知原的极坐标方程是r=r[img=75x19]18034572e9c10fa.png[/img],那么该圆的直角坐标方程是( )
    A: [img=126x27]18034572f2850a3.png[/img]
    B: [img=125x27]18034572fb397c2.png[/img]
    C: [img=118x27]18034573038c824.png[/img]
    D: [img=89x26]180345730c6e84f.png[/img]
  • 举一反三