|z|=sqrt(sqrt(3)^2+(-1)^2)=sqrt(4)=2
argz= φ
cos φ =x/|z|=√3 /2
sin φ =y/|z|=-1 /2
tg φ =sin φ /cos φ =-1 /√3
φ =(-π / 6)
argz= (-π / 6)
z=2*(cos(-π/6)+isin(-π/6))
z=2*(cos(π/6)-isin(π/6)) - тригонометрическая форма данного
комплексного числа
По формуле Муавра
z^(50)=2^(50)*(cos(50π/6)-isin(50π/6))
z^(50)=2^(50)* [b]([/b] cos(8π+(π/3)) - i sin(8π+(π/3)) [b])[/b]=
=2^(50)* [b]([/b]cos(π/3) - sin(π/3) [b])[/b]=
= [b]2^(49)*(1-i√3 )[/b]