f(x)=√3sin2x+2sin(x-π/4)sin(x+π/4)=√3sin2x+(sinx)^2-(cosx)^2=√3sin2x-cos2x=zsin(2x-π/6)
所以最小正周期為π對(duì)稱軸為2x-π/6=kπ+π/2或2x-π/6=kπ-π/2
已知函數(shù)f(x)=根號(hào)3sin2x+2sin(x-π/4)sin(x+π/4) ,（1）求函數(shù)f(x)的最小正周期和圖像的對(duì)稱軸方程
已知函數(shù)f(x)=根號(hào)3sin2x+2sin(x-π/4)sin(x+π/4) ,（1）求函數(shù)f(x)的最小正周期和圖像的對(duì)稱軸方程
（2）求函數(shù)f(x)在區(qū)間【-π/12,π/2】上的值域
（2）求函數(shù)f(x)在區(qū)間【-π/12,π/2】上的值域
數(shù)學(xué)人氣：961 ℃時(shí)間：2020-09-18 19:56:42
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