If |z-1|=1, where is a point on the arga...

If `|z-1|=1,` where is a point on the argand plane, show that`(z-2)/(z)=i tan (argz),where i=sqrt(-1).`

A

`tan(argz)`

B

`cot(argz)`

C

`itan(argz)`

D

None of these

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The correct Answer is:

C

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