Assertion: rotor's axis | /r/CapableOf | have after these two rotations
Facets:
value: the longitudinal angle
type: OTHER
Source sentences:
text: The z-axis of the body-fixed frame has after these two rotations the longitudinal angle α {\displaystyle \alpha \,} (commonly designated by φ {\displaystyle \varphi \,} ) and the colatitude angle β {\displaystyle \beta \,} (commonly designated by θ {\displaystyle \theta \,} ), both with respect to the space-fixed frame.