Construire les courbes en polaires suivantes :
1
\(\rho=\dfrac{\cos\theta/2}{1+\sin\theta}\)
2
\(\rho=\dfrac{\cos2\theta}\cos\theta\)
3
\(\rho=\dfrac{\sin\theta}{2\cos\theta-1}\)
4
\(\rho=\dfrac1{\cos\theta+\sin2\theta}\)
5
\(\rho=\cos\theta+\dfrac1\cos\theta\)
6
\(\rho=\dfrac{\cos2\theta}{2\cos\theta-1}\)
7
\(\rho=\cos\dfrac\theta3\)
8
\(\rho=1+\sin3\theta\)
9
\(\rho=\dfrac1{\sqrt\theta}\)
10
\(\rho=\ln\theta\)
11
\(\rho=\frac{\sin\theta}\theta\)