10

import matplotlib.pyplot as plt
import numpy as np


def f1(x):
    return np.exp(np.sin(x)) + 1

def f2(x):
    return np.cos(x)**2 - 5

def f3(x):
    return 1 / (np.cos(x**2) + 5)

x = np.linspace(0, 100, 1000)
y1 = f1(x)
y2 = f2(x)
y3 = f3(x)
plt.xlabel("x")
plt.ylabel("y")
plt.plot(x, y1, label='f(x) = e^sin(x)')
plt.plot(x, y2, label='f(x) = cos(x)^2 - 5')
plt.plot(x, y3, label='f(x) = 1 / (cos(x^2) + 5)')
plt.grid()
plt.legend()
plt.show()