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Write the complex number z = (i-1)/(cos...

Write the complex number ` z = (i-1)/(cos pi/3 + i sin pi/3)`in polar form.

A

`sqrt2 (cos""(5pi)/(12)-isin ""(5pi)/(12))`

B

`sqrt(cos""(5pi)/(12)+I sin ""(5pi)/(12))`

C

`sqrt(cos""pi/4+I sin ""pi/4)`

D

`sqrt(cos""pi/4-I sin ""pi/4)`

Text Solution

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The correct Answer is:
B
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