What is the polar form of the complex number (i25)3 ?
Answers
Answered by
45
= i75
= (i4)18.i3
= -i
SO,
x + i y = 0 - i
mod ,
z = 1
tan thita = infinity
thita = π/2
AS z is in fourth quadrant,
arg of thita = - thita
= - π/2
Polar form = (cos -π/2 + i sin -π/2)
= (i4)18.i3
= -i
SO,
x + i y = 0 - i
mod ,
z = 1
tan thita = infinity
thita = π/2
AS z is in fourth quadrant,
arg of thita = - thita
= - π/2
Polar form = (cos -π/2 + i sin -π/2)
Similar questions