复数z=根号6-根号2i的辐角主值是a.5π/6b.2π/3c.11π/6d.5π/3

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/22 10:15:32
复数z=根号6-根号2i的辐角主值是a.5π/6b.2π/3c.11π/6d.5π/3复数z=根号6-根号2i的辐角主值是a.5π/6b.2π/3c.11π/6d.5π/3复数z=根号6-根号2i的辐

复数z=根号6-根号2i的辐角主值是a.5π/6b.2π/3c.11π/6d.5π/3
复数z=根号6-根号2i的辐角主值是
a.5π/6
b.2π/3
c.11π/6
d.5π/3

复数z=根号6-根号2i的辐角主值是a.5π/6b.2π/3c.11π/6d.5π/3
答案选C
x方向是实部根号6,y方向是虚部负的根号2.x正y负得主值角在第四象限,排除法选C.
不排除也可以计算正切,得负的三分之根号三,选AC,又因为实部正,虚部负,排除A,选C.

c