Dandelin's theorem

Topic:Cone

* Move points A and B to change section of the cone * Spheres are tangent to the plane and to the cone * Move point P on the conic * When the conic is an ellipse, why is MP+PH constant ?

New Resources

Cosine in Cartesian and Polar Coordinates
רישום חופשי
Simple example: Colored circle
Sine in Cartesian and Polar Coordinates
Polar Coordinates Book

Discover Resources

Lesson 12-2
Circle Area Problem
h18n7_2
การแยกตัวประกอบพหุนาม
รูปคลี่พีระมิด

Discover Topics

Normal Distribution
Terms
LCM and GCD
Upper and Lower Sum or Riemann Sum
Vectors 3D (Three-Dimensional)