- 个人重点
1.数量积,向量积,混合积
2.平面方程,直线方程,平面与直线的位置关系
(关键:♦♦平面的法线向量,直线的方向向量)
3.求旋转面,柱面方程
概念比较多,p-2020 复习全书 127
容易搞错的一个是向量积的方向交换后加上负号,还有轮换不变号和交换两个变号,还有直线与平面的夹角公式求出来的是sinθ,还有投影曲线不要忘记写另一个参数=0。
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基本题型
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投影
1.一个是在该平面束中找出与已知平面垂直的平面,该平面与已知平面的交线(线投影)
2.已知点与已知平面垂直的直线,该直线与已知平面的交点(点投影)
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距离问题
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旋转
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补题
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//高数篇,完结,撒花🎉
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