AP EAMCET Engineering 21 Apr 2019 Shift 2 Paper

Section: Mathematics

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Question : 23 of 160

Marks: +1, -0

If 4 (sin 2x sin 4x + sin2 x) = 3 then x =

2nπ
3
±
π
9
, n ∊ Z
nπ
3
±
π
9
, n ∊ Z
nπ
3
±(−1)n
π
9
, n ∊ Z
nπ
3
±(−1)n
2π
9
, n ∊ Z

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