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Inverse Tangent Sum When Product Equals One
## Formula
For $$x,y>0$$ and:
$$xy=1$$
$$\tan^{-1}x+\tan^{-1}y=\frac\pi2$$
## Usage
- Used directly when two positive inverse tangent arguments are reciprocals.
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Inverse Tangent Sum When Product Equals One
## Formula
For $$x,y>0$$ and:
$$xy=1$$
$$\tan^{-1}x+\tan^{-1}y=\frac\pi2$$
## Usage
- Used directly when two positive inverse tangent arguments are reciprocals.
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