91- 6303239042
Inverse Cosine Sum Special Case
## Formula
For:
$$x\in[-1,1]$$
$$\cos^{-1}x+\cos^{-1}(-x)=\pi$$
## Usage
- Used to simplify inverse cosine terms with opposite arguments.
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Inverse Cosine Sum Special Case
## Formula
For:
$$x\in[-1,1]$$
$$\cos^{-1}x+\cos^{-1}(-x)=\pi$$
## Usage
- Used to simplify inverse cosine terms with opposite arguments.
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