Rectangulaires → polaires, quadrant ya misato

Point na quadrant ya misato: $\displaystyle x = -3$, $\displaystyle y = -2.5$. Motuya négatif ebandaka na (-), na bouton - te. Bofina mpe mpo na Pol, nsima mpe 3. Bofina mpe mpo na virgule, nsima mpe 2.5. Bofina mpe . $\displaystyle r =$ r=3.905124838, mpe $\displaystyle \theta =$ θ=−140.1944289 degrés. Angle ezali négatif mpo etangami na ndenge ya ba aiguilles ya montre: $\displaystyle \theta$ epesamaka ntango nyonso kati na $\displaystyle -180^{\circ}$ mpe $\displaystyle 180^{\circ}$.

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