Question

partea reala a nr

$( \frac{ \sqrt{2} }{2} + i \frac{ \sqrt{2} }{2} )^2^0^1^2$

Answer 1

Scrii   numarul   sub  forma   trigonometrica
z=(cosπ/4+isinπ/4)^2012
Aplici   formula   lui   Moivre
z=cos 2012*π/4+isin2012*π/4=
z= cos503π+isin503π