$d^2(u(e^{i\theta}),u(0)) = D + A\cos(2\alpha\theta) + B\sin(2\alpha\theta)$ · Prove2Me

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Initializing...

$d^2(u(e^{i\theta}),u(0)) = D + A\cos(2\alpha\theta) + B\sin(2\alpha\theta)$ · Prove2Me