
$alpha = arccos left( rac{vec{a} cdot vec{b}}{|vec{a}| cdot |vec{b}|} ight)$

$alpha = arctan left( rac{vec{a} cdot vec{b}}{|vec{a}| cdot |vec{b}|} ight)$

Baroque art features strong contrasts, while Rococo art prefers more subtle transitions

Baroque art is generally larger in scale than Rococo art