11. Three Dimensional Geometry

“Change may not be the guarantee of improvement, but without change there’s guarantee of no improvement” —Ashish Kumar

Three Dimensional Geometry Class 12 Maths

Direction cosines and direction ratios of a line joining two points. Cartesian and vector equation of a line, coplanar and skew lines, shortest distance between two lines. Cartesian and vector equation of a plane. Angle between (i) two lines, (ii) two planes, (iii) a line and a plane. Distance of a point from a plane.