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Spherical Trigonometry — quick quiz

2 NSEA-pattern questions on Spherical Trigonometry. Instant scoring and solutions — see where you stand in a few minutes.

Question 1 of 2

Hard

Two stars A and B have celestial coordinates (α₁ = 3h 20m, δ₁ = +40°) and (α₂ = 5h 40m, δ₂ = +30°) respectively. What is the approximate angular separation between them?