第十讲 圆锥曲线二(双曲线) 一 【考点提示】(一)定义:1. 第一定义:_________________________________________________ _________________________________________________2. 第二定义:_________________________________________________ _________________________________________________(二)方程:标准方程:_________________________________________________ _________________________________________________(三)性质:1. 范围: ________________________________________________2. 离心率: _________________________________________________ _________________________________________________3. 准线: _________________________________________________4. 焦半径: _________________________________________________ _________________________________________________5. 通径: _________________________________________________6. 焦准距: _______________________________________________7. 切线方程:________________________________________________8. 弦长公式:________________________________________________9. 特殊三角形:______________________________________________ ________________________________________________ ________________________________________________(四)点与双曲线的位置关系: _________________________________________________ _________________________________________________(五)焦点三角形: 1.顶角: _________________________________________________ 2.焦点三角形面积:_________________________________________(六)共轭双曲线: _________________________________________________ _________________________________________________ _________________________________________________ (七)等轴双曲线 _________________________________________________ _________________________________________________ _________________________________________________(八)双曲线的渐近线 1.双曲线渐近线的求法 _________________________________________________ 2.共渐近线双曲线设法 _________________________________________________ 3.渐近线与离心率的关系 ________________...