SOLUTION: Find the polar coordinates of the point whose rectangular coordinates are (-3,-3). When I tried this problem, I got (3sqrt2, pi/4). Thank you for your help!

Question 860529: Find the polar coordinates of the point whose rectangular coordinates are (-3,-3). When I tried this problem, I got (3sqrt2, pi/4). Thank you for your help!
Found 2 solutions by Alan3354, KMST:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Find the polar coordinates of the point whose rectangular coordinates are (-3,-3). When I tried this problem, I got (3sqrt2, pi/4).
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It's in Q3
(3sqrt(2),5pi/4)
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
The point (-3,-3) is in the third quadrant.
We know that ,
and in this case that would be
.
We also know that ,
so there are two angles in
that have .
The one in the third quadrant is

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