%matplotlib inline
import numpy as np
import matplotlib.pyplot as plt

num_points = 100
x = np.linspace(-4*np.pi, 4*np.pi, num=num_points)
f = np.exp(x/10)*np.sin(x)*np.cos(x)

plt.plot(x, f)
plt.xlabel('$x$')
plt.ylabel('$\f(x)$')
plt.show()