sin x – cos 2 x – 1 assumes the least value for the set of values of x given by :
Mathematics · JEE Advanced · NTA Exams — Trigonometry
sin x – cos2 x – 1 assumes the least value for the set of values of x given by :
- x = nπ + (–1)n + 1 (π/6)
- x = nπ + (–1)n (π/6)
- x = nπ + (–1)n (π/3)
- x = nπ – (–1)n (π/6) where n ∈ Z
Answer
(A) x = n π + (–1) n + 1 ( π /6), (D) x = n π – (–1) n ( π /6) where n ∈ Z
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