8.
已知\(O\)是正方形\(ABCD\)对角线的交点,四边形\(OAED\),\(OCFB\)都是正方形,在如图所示的向量中:
\((1)\)分别找出与\(\overrightarrow{AO}\) ,\(\overrightarrow{BO}\) 相等的向量:
\((2)\)找出与\(\overrightarrow{AO}\) 共线的向量;
\((3)\)找出与\(\overrightarrow{AO}\) 相等的向量;
\((4)\)向量\(\overrightarrow{AO}\) 与\(\overrightarrow{BO}\) 是否相等?