Angular frequency
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In physics, angular frequency, also called angular speed and angular rate, is a scalar measure of the angle rate or the temporal rate of change of the phase argument of a sinusoidal waveform or sine function.
Angular frequency is the magnitude of... Wikipedia
Symbol: (ω)
Derivations from other quantities: ω=2π rad ⋅ ν, ω=dθ/dt
Other names: angular speed, angular rate
SI unit: radian per second (rad/s)