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Number of solutions of sin x = 1/2 in [0, 2π]:
A3
B4
C2 (x = π/6 and 5π/6)
D1
Answer & Solution
Correct answer: C. 2 (x = π/6 and 5π/6)
sin x = 1/2 at x = π/6 and 5π/6 within [0, 2π]. Two solutions.
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