3D Geometry Class 12 Chapter 11 Part 1 | Direction Cosines & Ratios | NCERT | Faiz Sir

Описание: Class 12 Maths Chapter 11 – Three Dimensional Geometry | Part 1 | NCERT | By Faiz Sir

Is video me hum Class 12 Maths Chapter 11 – Three Dimensional Geometry ka first part cover kar rahe hain.
Is part me 3D Geometry ka introduction, Direction Ratios, aur Direction Cosines ko examples aur questions ke saath step-by-step samjhaya gaya hai.

📌 Topics Covered in This Video:
✔ Introduction to Three Dimensional Geometry
✔ Direction Ratios and Direction Cosines
✔ Direction Cosines of a Line Passing Through Two Points
✔ Collinearity of Points in 3D
✔ Direction Cosines of Coordinate Axes
✔ Triangle Side Direction Cosines
✔ NCERT Examples & Important Questions

📘 Examples & Questions Discussed:
• Direction cosines from given angles
• Direction cosines from direction ratios
• Direction cosines between two points
• Proving points are collinear
• Triangle side direction cosines
• Exam-oriented solved problems

🎯 Best for:
CBSE Class 12
NCERT Preparation
Board Exams 2025
Competitive Exams
JEE Basics

📢 Watch till the end for full conceptual clarity & exam tricks!
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