複平面內,矩形OABC的頂點O、B所對應的複數分別為0、√2(1+i) 且│OA│=√3,│OC│=1,則A、C所對應的複數為______

複平面內,矩形OABC的頂點O、B所對應的複數分別為0、√2(1+i) 且│OA│=√3,│OC│=1,則A、C所對應的複數為______

在坐標系中,OB與x軸角度為π/4,又│OC│=1,│OA│=√3,│OB│=2,故COB為直角三角形,∠COB=π/6,故OC與x軸角度為π/4+π/6=5π/12或π/4+π/3=7π/12,OA與OC角度為π/4-π/3=-π/12或π/4-π/6=π/12,
對於OC為5π/12,OA為-π/12時,A的複數為√3(cos5π/12+isin5π/12),C的複數為cosπ/12-isinπ/12;
對於OC為7π/12,OA為π/12時√3(cos7π/12+isin7π/12),OC為cosπ/12+isinπ/12