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Principal Value of $$\tan^{-1}x$$
## Formula
$$\tan^{-1}x\in\left(-\frac\pi2,\frac\pi2\right)$$
## Usage
- Used to determine the principal value of an inverse tangent expression.
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Principal Value of $$\tan^{-1}x$$
## Formula
$$\tan^{-1}x\in\left(-\frac\pi2,\frac\pi2\right)$$
## Usage
- Used to determine the principal value of an inverse tangent expression.
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