f(x)=cosx²(x-π/12)+sin(x+π/12)--1.求f(x)最小正周期.

问题描述:

f(x)=cosx²(x-π/12)+sin(x+π/12)--1.求f(x)最小正周期.

已知f(x)=cos²(x-π/12)+sin²(x+π/12)-1.求f(x)的最小正周期.;若x∈【0,2π/3】,求f(x)的最大最小值. f(x)=cos²(x-π/12)+sin²(x+π/12)-1=(1/2)*(1+cos(2x-pi/6))+(1/2)*(1...