Azimuthal Angle

#Math

$\displaystyle \phi$

  • The angle between the positive z-axis and $\displaystyle {\left\langle{x,y,z}\right\rangle}$ and ranges from $\displaystyle 0$ to $\displaystyle \pi$ and is called the polar angle
  • Is $\displaystyle \theta$, $\displaystyle \psi$, or even $\displaystyle \varphi$ in physics