import matplotlib.pyplot as plt
import numpy as np
x = np.arange(-np.pi, np.pi,np.pi/180)
y = np.sin(x)
fig, ax = plt.subplots()
ax.plot(x, y)
fig
import matplotlib.pyplot as plt
import numpy as np
x = np.arange(-np.pi, np.pi,np.pi/180)
y = np.cos(x)
fig, ax = plt.subplots()
ax.plot(x, y)
fig