f(x)=1/2cos^2x+根号3sinxcosx+3/2sin^2x 怎么化简

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 21:57:39
f(x)=1/2cos^2x+根号3sinxcosx+3/2sin^2x 怎么化简
x)K{N[{*-qqf^PB$5=gu 6IE_`gCWhThi)Wh=e 2BdTFBF"YQ}AL3YnLF 1!澑?

f(x)=1/2cos^2x+根号3sinxcosx+3/2sin^2x 怎么化简
f(x)=1/2cos^2x+根号3sinxcosx+3/2sin^2x 怎么化简

f(x)=1/2cos^2x+根号3sinxcosx+3/2sin^2x 怎么化简
f(x)=1/2(cos²x+2√3cosxsinx+3sin²x)
=1/2(cosx+√3sinx)²
=1/2[2sin(x+π/6)]²
=2sin²(x+π/6)