Over The Rainbow Mystery Cache
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Difficulty:
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Terrain:
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Size: 
(regular)
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in our disclaimer.
Cache is NOT located at the Published Coordinates!
Solve the puzzle to get the coordinates.
One of the first Basic things I learned.
The polar coordinate system.
It makes nice spirograph pictures.
The Mathematics if you are curious (not required for the solution):
Angle theta = 0 to 2 pi radians
R = Rmax * (1 + Sin(N * theta + phase offset))
X = R * Cos(theta) + center X
Y = R * Sin(theta) + center Y
You can check your answers for this puzzle on Geochecker.com.
Additional Hints
(Decrypt)
Pbagnvare vf n havdhr pbybe, uvqqra ol jbbq.