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OpenStudy (sarahc):
Find the rectangular coordinates of the point with the polar coordinates (1, 1 divided by 2 pi). (0, -1) (1, 0) (0, 1) (-1, 0)
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OpenStudy (sarahc):
@Directrix
Directrix (directrix):
Do you know the equations that are needed? I can remember x^2 + y^2 = r^2 but there are two others.
OpenStudy (sarahc):
I have no idea :o
OpenStudy (freckles):
x=rcos(theta) y=rsin(theta)
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