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if z = cos ""pi/4 + i sin""pi/6 then...

if ` z = cos ""pi/4 + i sin""pi/6` then

A

`|z|=1 , arg(z)= pi/4`

B

`|z|=1, arg(z)= pi/6`

C

`|z|=sqrt3/2, arg(z)= (5pi)/24`

D

`|z| = sqrt3/2 , arg(z)= tan^(-1)1/sqrt2`

Text Solution

Verified by Experts

The correct Answer is:
D
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