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00:00:46 Cartesian Coordinate System and Polar Coordinate System

00:09:00 Relationship between cartesian coordinate system and polar coordinate system

00:20:48 Argand Diagram

00:32:00 Meaning of Modulus and Modulus of Complex Numbers mod(z)=|z|= r

00:35:00 Detailed explanation and derivation for argument of complex numbers arg(z), Polar form

01:00:11 NCERT Exercise 5.2 Question 1

01:03:11 NCERT Exercise 5.2 Question 2

01:05:01 NCERT Exercise 5.2 Question 3

01:07:55 NCERT Exercise 5.2 Question 4

01:09:42 NCERT Exercise 5.2 Question 5

01:11:51 NCERT Exercise 5.2 Question 6

01:18:41 NCERT Exercise 5.2 Question 7

01:20:11 NCERT Exercise 5.2 Question 8