3-D Geometry | Part -1| L-14 | Assam CEE 2026 Crash Course | Prime Maths Assam

Описание: Welcome to Prime Maths Assam!!

this lecture of 3 Dimensional Geometry – Part 1, we cover:
• Direction Cosines (DC)
• Direction Ratios (DR)
• Straight Lines in 3D
• Distance of a Point from a Line
We also solve important JEE Mains and Assam CEE Previous Year Questions to strengthen exam preparation.
This session focuses on conceptual clarity + exam-oriented problem solving.

TIMESTAMPS:
00:00 Introduction
00:52 Direction Cosine
03:20 Direction Ratios
04:22 Example
06:01 Finding DC and DR
09:23 Example
10:43 Question 1 (JEE PYQ)
15:06 Question 2 ( CEE PYQ)
17:47 Straight Lines in 3-D
20:46 Examples
25:21 Question 4 (JEE PYQ)
32:33 Question 5 ( CEE Level)

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KEYWORDS-

3D Geometry Class 12
Direction Cosines Explained
Direction Ratios Problems
Distance Formula in 3D
JEE Mains Maths
Assam CEE Maths
Class 12 Maths Chapter 11


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