1.

Find polar form of -1​

Answer»

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


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