find polar form of -1
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Here im(z)=0
re(z)=-1
So x=0 and y=-1
Z=r(cosx+isinx)
r=root of x^2+y^2
i.e root of 0^2+-1^2=1
Now we want to find (x) i.e=y/x
-1/0=tan90 x
4th quadrant
So the polar form=cosx + isinx
Cos-90+isin-90
re(z)=-1
So x=0 and y=-1
Z=r(cosx+isinx)
r=root of x^2+y^2
i.e root of 0^2+-1^2=1
Now we want to find (x) i.e=y/x
-1/0=tan90 x
4th quadrant
So the polar form=cosx + isinx
Cos-90+isin-90
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