Solve: `cot5theta=cot2theta`

Explanation

To solve the equation \( \cot(5\theta) = \cot(2\theta) \), we can use the property of cotangent that states if \( \cot A = \cot B \), then:

\[ A = n\pi + B \quad \text{or} \quad A = n\pi - B \]

for some integer \( n \).

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