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The angle in [-π/2, π/2], not 0, with cosecant 2 is
Aπ/3
Bπ/4
Cπ/6
Dπ/2
Answer & Solution
Correct answer: C. π/6
cosec(π/6) = 1/sin(π/6) = 2, and π/6 lies in [-π/2, π/2] excluding 0.
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