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Principal Value of $$\cos^{-1}x$$
## Formula
$$\cos^{-1}x\in[0,\pi]$$
## Usage
- Used to determine the correct principal value of an inverse cosine expression.
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Principal Value of $$\cos^{-1}x$$
## Formula
$$\cos^{-1}x\in[0,\pi]$$
## Usage
- Used to determine the correct principal value of an inverse cosine expression.
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