试题与答案

已知函数f(x)=sin2ωx+3sinωxsin(ωx+π2)(ω>0)的最小

题型:解答题

题目:

已知函数f(x)=sin2ωx+
3
sinωxsin(ωx+
π
2
)
(ω>0)的最小正周期为π.
(Ⅰ)求ω的值;
(Ⅱ)求函数f(x)在区间[0,
3
]
上的取值范围.

答案:

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