Tahap 1. Ambil bilangan real sebarang \(y\text{.}\)

Tahap 2. Gunakan \(\arctan(y)\in(-\frac{\pi}{2},\frac{\pi}{2})\text{.}\)

Tahap 3. Selesaikan persamaan \(y=\tan(\pi(x-\frac12))\) terhadap \(x\text{.}\)