How do you convert (-5, 6) into polar coordinates?

1 Answer
Nov 27, 2015

Find randθ using the following ...

Explanation:

r=52+62=61

Now, the coordinate is in Quadrant II , so
90o<θ<180o

θ=arctan(65)=50.19o, this is called the reference angle

Since we know it lies in Quadrant II ...

θ=18050.19=129.81o

Polar Coordinate =(61,129.81o) or (61,0.72π)

hope that helped