Q 1606545478.     The polar form of the complex number

` z= (i -1)/(cos pi/3 + i sin pi/3 )` is

GGSIPU 2014
A

` 1/sqrt(2) ( cos (3pi)/(12) + i sin (3 pi) /(12) )`

B

` sqrt(2) ( cos (5pi)/(12) + i sin (5 pi) /(12) )`

C

` sqrt(2) ( cos (7 pi)/(12) + i sin (7 pi) /(12) )`

D

` 1/sqrt(2) ( cos (5pi)/(12) + i sin (5 pi) /(12) )`

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