In this video we will talk about the direction cosines and direction ratios of a line joining two points and also discuss about the equations of lines and planes in space under different conditions, angle between two lines, two planes, a line and a plane, shortest distance between two skew lines and distance of a point from a plane
By Jagran Josh
Jan 31, 2013 17:57 IST
Three-dimensional Geometry (part-1)
What is the importance of the chapter Three-dimensional Geometry? Why do we study the chapter Three-dimensional Geometry? How many marks are carried by the chapter Three-dimensional Geometry in class 12 board examinations? What are the equations of line in space?