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Periodic Reduction for $$\cot^{-1}(\cot x)$$
## Formula
If:
$$x=n\pi+\theta,\quad \theta\in(0,\pi)$$
then:
$$\cot^{-1}(\cot x)=\theta$$
## Usage
- Used to reduce inverse cotangent of cotangent to its principal value.
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Periodic Reduction for $$\cot^{-1}(\cot x)$$
## Formula
If:
$$x=n\pi+\theta,\quad \theta\in(0,\pi)$$
then:
$$\cot^{-1}(\cot x)=\theta$$
## Usage
- Used to reduce inverse cotangent of cotangent to its principal value.
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