E
Editor
Sep 18, 2022
$\forall x>0y>0, if z=(-x,y)$ and Arg z is in second quadrant then Arg z=
Difficulty: Hard
A:
$-\pi -\tan^{-1}\frac{y}{x}v$
B:
$\pi -\tan^{-1}\frac{y}{x}v$
C:
$-\pi +\tan^{-1}\frac{y}{x}v$
D:
$\pi -\tan^{-1}\frac{y}{x}v$
ID: 63273dbaca83163ac3a121bf