Inverse Tangent from Half-Angle Substitution
## Formula
$$x=2\tan^{-1}t$$
when:
$$t=\tan\frac x2$$
## Usage
- Used to recover the original angle after applying the tangent half-angle substitution.
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CAT Formulas
Inverse Trigonometric Functions
Inverse Tangent from Half-Angle Substitution
Inverse Tangent from Half-Angle Substitution
## Formula
$$x=2\tan^{-1}t$$
when:
$$t=\tan\frac x2$$
## Usage
- Used to recover the original angle after applying the tangent half-angle substitution.
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