已知函数y=3cos^2x+2√3sinxcosx+sin^2x,求

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/26 04:55:53

已知函数y=3cos^2x+2√3sinxcosx+sin^2x,求
(1)当x属于R时,函数的最大值和最小值；（2）当x属于[-π/4,π/4]时,函数的最大值和最小值.
求求大家帮帮我好嘛好嘛好嘛·················································································································

(1)当x=kπ+π/6时,y有最大值4
当x=kπ+2π/3时,y有最小值0

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