#極座標作圖

import numpy as np
import matplotlib.pyplot as plt

t = np.linspace(0,12 * np.pi,500)
r1=1
r2=t/500
r3=np.sin(8*t/5)
r4=np.sin(3*t)
r5=np.sin(6*t)
r6=np.cos(np.sin(10*t))


plt.figure(figsize=(15,20),dpi=80)
plt.subplot(3,2,1)
plt.plot(r1*np.cos(t),r1*np.sin(t),color="red",linewidth=2)

plt.subplot(3,2,2)
plt.plot(r2*np.cos(t),r2*np.sin(t),color="blue",linewidth=2)

plt.subplot(3,2,3)
plt.plot(r3*np.cos(t),r3*np.sin(t),color="mediumseagreen",linewidth=2)

plt.subplot(3,2,4)
plt.plot(r4*np.cos(t),r4*np.sin(t),color="darkslateblue",linewidth=2)

plt.subplot(3,2,5)
plt.plot(r5*np.cos(t),r5*np.sin(t),color="lime",linewidth=2)

plt.subplot(3,2,6)
plt.plot(r6*np.cos(t),r6*np.sin(t),color="orange",linewidth=2)

plt.show()