Rectangulaires → polaires, quadrant ya misato

Point moko na quadrant ya misato: $\displaystyle x = -3$, $\displaystyle y = -2.5$. Bokeba na bilembo $\displaystyle +$ mpe $\displaystyle -$. Bofina , nsima mpe bokoma 3 mpo na $\displaystyle -3$. Bofina mpe , nsima mpe bokoma 2.5. Bofina mpe : $\displaystyle r =$ 3.905124838. Bofina mpe mpo na $\displaystyle \theta$: −140.1944289 degrés. Calculatrice emekaka angle banda na axe $\displaystyle x$ positif mpe ebatelaka yango kati na $\displaystyle -180$ mpe $\displaystyle +180$ degrés; bongo $\displaystyle -140.19$ degrés na sens ya ba aiguilles ya montre ezali direction moko na $\displaystyle 219.81$ degrés na sens contraire. Botala ntango nyonso quadrant nini point na bino ezali.

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