Relation Between $$\tan^{-1}x$$ and $$\sin^{-1}x$$

Rarely Tested

Relation Between $$\tan^{-1}x$$ and $$\sin^{-1}x$$

## Formula

For:

$$x\in\mathbb R$$

$$\tan^{-1}x=\sin^{-1}\left(\frac{x}{\sqrt{1+x^2}}\right)$$

## Usage

- Used to convert inverse tangent into inverse sine form.

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