KCET 2012 Math Solved Paper

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Question : 39 of 60

Marks: +1, -0

If sin2x=cos4x, then x=

n
π
2
±
π
4
,n∊z
no value
nπ+(−1)n
π
4
,n∊z
2nπ±
π
4
,n∊z

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