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10 cards from this deck
Distance from pole and angle from initial line
Fixed reference point (equivalent to origin)
Distance from the pole to the point
Angle from initial line, counterclockwise
x=rcosθx = r\cos\thetax=rcosθ
y=rsinθy = r\sin\thetay=rsinθ
r2=x2+y2r^2 = x^2 + y^2r2=x2+y2
tanθ=yx\tan\theta = \frac{y}{x}tanθ=xy
In infinitely many different ways
Circle of radius aaa at the pole
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