Argument of complex number is
Explanation for the correct option:
Step 1: Simplify the given complex number
Let
……..(1)
Step 2 : Find real and imaginary part of complex number
Let ………(2)
Compare real and imaginary part of equation (1) and (2)
Step 3. square and add real and imaginary parts:
As,
Step 4. Put the value of in :
Therefore,
Thus, argument of given complex number is
Hence, Option ‘C’ is Correct.