If $\tan \theta + \cot \theta = 4$, then find the value of $\tan^2 \theta + \cot^2 \theta$.

Options:

• A: 12
• B: 14
• C: 16
• D: 18

Related Practice Questions:

• Which of the following artifacts, extensively found at Burzahom and Gufkral, specifically indicates that the Neolithic inhabitants of Kashmir practiced sewing animal skins for clothing to survive the harsh winters?
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• The first human colonization of the fertile Ganga plains, as evidenced by archaeological discoveries at Sarai Nahar Rai and Mahadaha, took place during which period?
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