Q. 133.8( 6 Votes )
Write z = 1 + i i
Consider z = 1 + i,
r = |z|
Let α be the acute angle given by,
tan α = 1
As point (1,1) lies in the I quadrant.
∴ the argument of z is given by .
Hence polar form is:
z = r (cos θ + i sin θ)
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