AP EAMCET Engineering 2011 Solved Paper

Section: Mathematics

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Question : 122 of 160

Marks: +1, -0

If f(x)=sin6x+cos6x for x∈R, then f(x)lies in the interval

[
7
8
,
5
4
]
[
1
2
,
5
8
]
[
1
4
,1]
[
1
4
,
1
2
]

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