Physics
posted by unknown .
We have a qubit in the state ψ>= √3/2 0>+ 1/2 1>, which we want to measure in the {Cos θ 0> + Sin θ 1>, Sin θ 0>  Cos θ 1>} basis. In order for the two possible outcomes to be equiprobable, what should be the value of θ in degrees? (Answer between 0 and 90.)

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