作业帮f(x)=cos(2x+π/6)在[-π/4,π/4]的值域为麻烦求下
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f(x)=cos(2x+π/6)在[-π/4,π/4]的值域为麻烦求下
f(x)=cos(2x+π/6)在[-π/4,π/4]的值域为
麻烦求下
f(x)=cos(2x+π/6)在[-π/4,π/4]的值域为麻烦求下
答：
f(x)=cos(2x+π/6)
因为：-π/4