Assertion: spherical coordinate system | /r/CapableOf | use radian
Facets:
value: like the horizontal coordinate system
type: OTHER
value: normally
type: DEGREE
Source sentences:
text: The spherical coordinate systems used in mathematics normally use radians rather than degrees and measure the azimuthal angle counterclockwise from the x-axis to the y-axis rather than clockwise from north (0°) to east (+90°) like the horizontal coordinate system.