设函数f (x)=sin(ωx+φ)cos(ωx+φ)的最小正周期是2,且当x=2时取最大值,则φ的设函数f (x)=sin( ωx+φ)cos(ωx+φ)的最小正周期是2,且当x=2时取最大值,则φ的
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