3D Geometry 01 : Direction COSINES, Direction Ratios, Equation of Line | Class 12 NCERT

NCERT Wallah - SANKALP 2021 📝 For complete notes of Lectures, visit SANKALP Batch in the Batch Section of PhysicsWallah App/Website. 📲PW App Link - https://bit.ly/YTAI_ncert 🌐PW Website - https://www.pw.live 🛑Direction cosines of a vector are the cosines of the angles between the vector and the three positive coordinate axes. Numbers that are proportional to the direction cosines of the line are called Direction ratios of the line. Topics included in the lecture are: •Direction cosines •Direction ratios •Equation of a line -Vector form -Cartesian form and some question's for practice. There are many other important topics that we are going to cover in upcoming videos for class 12. Stay tuned with NCERT Wallah. ▶ Playlist for topic Link ---------------------------------------------------------------------------------------------------------------------- NOTE: This batch is completely FREE, you just have to click on the "BUY NOW" button for your enrolment. 🔴 Batch Details :- …. • LIVE Lectures for Class 12th Students • All Derivations & Concepts are discussed in detail • PDF Notes of each Lecture • Summary Videos Of Each Chapter • Discussions of NCERT Back Exercises • For student interactions we Organize Menti and Motivational Sessions ---------------------------------------------------------------------------------------------------------------------- 📌 PHYSICS WALLAH OTHER CHANNELS : 🌐 PhysicsWallah - Alakh Pandey : https://bit.ly/PhysicsWallah07 🌐 Competition Wallah : https://bit.ly/CompetitionWallah 🌐 JEE Wallah : https://bit.ly/JEEWallah 🌐 PhysicsWallah Foundation : https://bit.ly/PhysicsWallahFoundation 🌐 Defence Wallah-NDA : https://bit.ly/DefenceWallah 🌐 PhysicsWallah English : https://bit.ly/PhysicsWallah-English 🌐 BSEB Wallah : https://bit.ly/BSEBWallah 📌 PHYSICS WALLAH SOCIAL MEDIA PROFILES : 🌐 Telegram : https://bit.ly/PwTelegram 🌐 Facebook : https://bit.ly/PWFacebook07 🌐 Instagram : https://bit.ly/PWInsta 🌐 Twitter : https://bit.ly/PWTwitter07 For any queries or complaints Visit : For PW App : https://physicswala.page.link/?type=c... For PW Website : https://www.physicswallah.live/contac... #3D Geometry #Maths #Sankalp #NCERTWallah