Dive into a comprehensive video lecture on Vectors and Three Dimensional Geometry for Class XII CBSE/ISC students. Explore direction cosines, direction ratios, scalar triple product, and equations of straight lines in space. Learn about coplanarity of lines, image of points to lines and planes, and common mistakes in 3D geometry. Gain insights into vector triple product with JEE Mains previous year questions, tricks, and strategies. Access additional resources including question banks, notes, and practice problems to reinforce your understanding of these crucial topics for the 2021 board exams.