Match each polar equation below to the best description. Each answer should be C,E,F,H,L,O,P,R,S,T,or W.

DESCRIPTIONS
C. Cardioid, E. Ellipse, F. Lemniscate, H. Hyperbola, L. Line, O. Oval, P. Parabola, R. Rose with four petals, S. Spiral, T. Three-petaled rose,
POLAR EQUATIONS
1. $r=10 - 10 \sin \theta$
2. $r= \sin 3 \theta$
3. $1= \tan \theta$
4. $r= \theta, r>0$
5. $r=\sin 2 \theta$
6. $r^2= \csc 2 \theta$
7. $r^2=17 \sin 2\theta$

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