In 2 cos 2 θ + 3sin θ = 0, then the general value of θ is–

Mathematics · JEE Main · NTA Exams — Trigonometry

1. nπ + (−1)ⁿ ; n ∈ I
2. 2n π ± \(\frac{\pi}{6}\); n ∈ I
3. nπ + (−1)ⁿ⁺¹ \(\frac{\pi}{6}\); n ∈ I
4. None of these

Answer

(C) n π + (− 1 ) n+1 6 ; n ∈ I

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