论文部分内容阅读
圆锥曲线中离心率e,焦点弦的比λ和弦所在直线的倾斜角a的关系式:cosα=(λ-1)/e(λ+1)在解近几年高考试题中应用及加强试题研究提高学生学习的兴趣和效率。
Cone curve in the centrifuge rate e, the ratio of the focus of the chord and the line where the chord inclined angle a: cosα = (λ-1) / e (λ +1) in the past few years, the application of college entrance examination questions and to strengthen the test study Improve student interest in learning and efficiency.