import matplotlib.pyplot as plt
import numpy as np

deg = np.arange(0, 360, 1)
amp = np.sin(2 * np.pi * (deg / 360))
amp2 = (np.sin(2 * np.pi * (deg / 360)))**2


fig, ax = plt.subplots()
ax.plot(deg, amp)
ax.plot(deg, amp2)
ax.grid()
ax.xaxis.set_ticks(np.arange(0, 400, 45))
plt.show()