post the solution too
13 Answers
ДвҥїÑuÏ now in medical c
·2009-04-09 23:17:42
z=-1/2+√3i/2
so z in 2nd quadrant
tanθ=-√3
so arg(z)=2pi/3
ДвҥїÑuÏ now in medical c
·2009-04-09 23:19:22
do not do tan-1-√3
check in which quadrant it is....
Kalyan Pilla
·2009-04-09 23:24:00
cosθ = -1/2
sinθ =√3/2
So, θ =2π/3
Or U could even use the quadrant like abhi said.
It is basically ω, and ω=ei2π/3
JOHNCENA IS BACK
·2009-04-09 23:38:26
oh,got the mistake instead of taking it in 2nd quad. took it in fourth.