已知函数f〔x〕=2sinxcosx+根号3cos2x.求函数f〔x〕的最小正周期求最小值及对称轴方
问题描述:
已知函数f〔x〕=2sinxcosx+根号3cos2x.求函数f〔x〕的最小正周期求最小值及对称轴方
答
因为f〔x〕=2sinxcosx+√3cos2x =sin2x+√3cos2x =2(1/2sin2x+√3/2cos2x) =2(sin2xcosπ/3+cos2xsinπ/3 ) =2sin...