Argument of Complex Number
Argument of Complex Number: Overview
This topic covers concepts such as Argument of a Complex Number, Principle Argument of a Complex Number, General Argument of a Complex Number, Argument of Product of Two Complex Numbers, Argument of Quotient of Two Complex Numbers, etc.
Important Questions on Argument of Complex Number

Let and be two non-zero complex numbers such that and then equals –

A complex number .
The general argument of is

A complex number .
The general argument of is , where is an integer.

A complex number .
The argument of is

A complex number .
Find the argument of .

If and , find the locus of .

Let . If is any complex number such that, , then prove that .



If the argument of is equal to that of , where are two real numbers and is the complex conjugate of , find the locus of in the Argand diagram. Find the values of and so the the locus becomes a circle having its centre at .

If and if then show that the locus (in complex plane) of is a circle.

Find the amplitude and modulus of .

If is a complex number in the st quadrant of the Argand plane and if , then find the value of .

Find the principle amplitude of

Find the principle amplitude of

Find the principle amplitude of


If is a purely imaginary number and , then

The principle amplitude of is
