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In [0, π] with π/2 excluded, tan²x = 3 holds for which angles?
Aπ/3 only
Bπ/6 and π/3
Cπ/6 and 5π/6
Dπ/3 and 2π/3
Answer & Solution
Correct answer: D. π/3 and 2π/3
tan x = ±√3 gives π/3 for the positive root and π - π/3 = 2π/3 for the negative root.
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