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Direct Composition of $$\tan$$ and $$\tan^{-1}$$
## Formula
$$\tan(\tan^{-1}x)=x,\quad x\in\mathbb R$$
## Usage
- Used to eliminate a direct tangent function applied to its inverse.
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Direct Composition of $$\tan$$ and $$\tan^{-1}$$
## Formula
$$\tan(\tan^{-1}x)=x,\quad x\in\mathbb R$$
## Usage
- Used to eliminate a direct tangent function applied to its inverse.
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