## 2 Qubit Hilbert Space Navigator

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 a s d f j k l ; $\theta-$ $\theta+$ $\theta^{\leftarrow}$ $\theta^{\rightarrow}$ $\phi^{\leftarrow}$ $\phi^{\rightarrow}$ $\phi+$ $\phi-$
$$\cos{\theta_0}\left|00\right> + e^{i\phi_0}\cos{\theta_1}\sin{\theta_0}\left|01\right> + e^{i\phi_1}\cos{\theta_2}\sin{\theta_1}\sin{\theta_0}\left|10\right> + e^{i\phi_2}\sin{\theta_2}\sin{\theta_1}\sin{\theta_0}\left|11\right>$$
 Grumpy Cat Lil Bub Keyboard Cat Maru +$i\left|00\right>$ +$i\left|01\right>$ +$i\left|10\right>$ +$i\left|11\right>$ $\theta_0=\frac{\pi}{2}\times$ $\theta_1=\frac{\pi}{2}\times$ $\theta_2=\frac{\pi}{2}\times$ $\phi_0=\frac{\pi}{2}\times$ $\phi_1=\frac{\pi}{2}\times$ $\phi_2=\frac{\pi}{2}\times$