Translated version
Reference acute angle
The acute angle formed by the terminal side of a non-quadrantal angle and the horizontal axis. For quadrantal angles, we find the values directly from the coordinates.
Original version
Pagalbinis smailusis kampas
Neašinio kampo galinės kraštinės ir horizontaliosios ašies sudaromas smailusis kampas. Ašiniams kampams reikšmes randame tiesiog pagal koordinates.
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