$\displaystyle z^4 = -1 $ Why is $\displaystyle z=e^{mi \pi {1 \over 4}}$ in polar form? m is an odd integer
Follow Math Help Forum on Facebook and Google+
Originally Posted by bigdoggy $\displaystyle z^4 = -1 $ Why is $\displaystyle z=e^{mi \pi {1 \over 4}}$ in polar form? m is an odd integer Do you know how to express -1 in polar form? Are you familiar with deMoivre's Theorem?
Originally Posted by mr fantastic Do you know how to express -1 in polar form? Are you familiar with deMoivre's Theorem? Hi Thanks...I see it is just an application of De Moivre!
View Tag Cloud