\(\overrightarrow{ B }=\overrightarrow{ R } \cos \beta\)

If \(\alpha < \beta\)

Then, \(\cos \alpha > \cos \beta\)

\(\overrightarrow{ R } \cos \alpha>\overrightarrow{ R } \cos \beta\)

Hence, hence, \(\vec{A} > \vec{B}\)

So, we can say that, if \(\vec{A} > \vec{B}, \alpha < \beta\)