8.
在平面直角坐标系\(xOy\)中,以坐标原点\(O\)为极点,\(x\)轴正半轴为极轴建立极坐标系,曲线\(C\)的极坐标方程为\(\rho =2\sin \theta \),\(\theta \in \left[ 0,2\pi \right)\).
\((\)Ⅰ\()\)求曲线\(C\)的参数方程;
\((\)Ⅱ\()\)在曲线\(C\)上求一点\(D\),使它到直线\(l\):\(\begin{cases} & x=\sqrt{3}t+\sqrt{3} \\ & y=-3t+2 \\ \end{cases}(t\)为参数\()\)的距离最长,求出点\(D\)的直角坐标.