## anonymous one year ago Determine two pairs of polar coordinates for the point (2, -2) with 0° ≤ θ < 360°.

1. anonymous

@dan815 @Hero @ParthKohli @ganeshie8

2. Michele_Laino

hint: please you have to apply these formulas: $\Large \begin{gathered} x = r\cos \theta \hfill \\ y = r\sin \theta \hfill \\ \\ {x^2} + {y^2} = {r^2} \hfill \\ \end{gathered}$

3. Michele_Laino

using those formulas, you have to find the values for r and \theta

4. anonymous

so 2=rcostheta and -2=rsintheta