how to find number [tex](3-i)^{12}[/tex] ?(adsbygoogle = window.adsbygoogle || []).push({});

i know theorem for powers of complex numbers, but i have to know argument of trygonometrical form.

and its [tex] cos x = 3/4[/tex] and [tex]sin x = -1/4[/tex]

and i dont know what to do with that.

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Power of complex number

**Physics Forums | Science Articles, Homework Help, Discussion**