Видео с ютуба Directionalcosines

Most Important Vector Problem#class12maths #maths #jee #djclasses

Directional Cosines #directionalcosines

PALTU RAM : VECTOR ALGEBRA & 3D DIRECTIONAL COSINES & RATIOS OF A LINE: FOR IITJEE MAINS &ADVANCED

VECTORS ALGEBRA & 3D : DIRECTIONAL COSINES OF A LINE: FOR IITJEE MAINS & ADVANCED ASPIRANTS