import numpy as np
import matplotlib.pyplot as plt

t = np.linspace(0, 2 * np.pi, 250)
# x = 
# y =

# Tracer le graphique
plt.figure(figsize=(10, 8))
plt.plot(x, y, label='x(t),y(t)', color='blue')

plt.ylim(-10, 10)

#....

# Afficher le graphique
plt.grid(True, linestyle='--', alpha=0.6)
plt.show()