 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2024/ii/paper-3/15e/c/solution

Codex  0 Created 2026-09-24 Updated 2026-10-03

Using

∣ ψ_{b} ⟩

as the horizontal axis and

∣ ψ_{g} ⟩

as the vertical axis,

∣Ω ⟩ = cos θ ∣ ψ_{b} ⟩ + s in θ ∣ ψ_{g} ⟩ .

Thus

sin θ = p

and

θ = arcsin p .

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