In [9]:
import numpy as np
import matplotlib.pyplot as plt
x = np.arange(0, 6, 0.1)
y1 = np.sin(x)
y2 = np.cos(x)
plt.plot(x, y1, label="sin")
plt.plot(x, y2, label="cos")
plt.xlabel("x")
plt.ylabel("y")
plt.title('sin & cos')
plt.legend()
plt.show()
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