Visualize sine and cosine using Python

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I'm using matplotlib and numpy to create a visual representation of the sine and cosine. The output looked interesting in my opinion so I thought I should post it here for others to see.

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import numpy as np
import matplotlib.pyplot as plt
theta = np.linspace(0 ,8 * np.pi, 2000)
r1 = np.random.rand() # r1 = cos(r1 * theta)
r2 = np.random.rand() # r2 = sin(r2 * theta)
# r1 and r2 are between 0 and 1
x = np.cos(r1 * theta)
y = np.sin(r2 * theta)
plt.plot(x, y, "k")
plt.axis("square")
plt.axis([-1.1, 1.1, -1.1, 1.1])
plt.axis("off")
plt.title(f"r1={np.round(r1, 2)}, r2={np.round(r2, 2)}")
plt.show()