若函数f(x)=2sin²(3x+π/4)最小正周期为?
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若函数f(x)=2sin²(3x+π/4)最小正周期为?若函数f(x)=2sin²(3x+π/4)最小正周期为?若函数f(x)=2sin²(3x+π/4)最小正周期为?f
若函数f(x)=2sin²(3x+π/4)最小正周期为?
若函数f(x)=2sin²(3x+π/4)最小正周期为?
若函数f(x)=2sin²(3x+π/4)最小正周期为?
f(x)=2sin²(3x+π/4)=1-cos2(3x+π/4)=1-cos(6x+π/6)
最小正周期计算公式是2π/x前的系数,所以是π/3
f(x)=2sin²(3x+π/4)=1-cos(6x+π/2)
T=2π/6=π/3
f(x)=2sin²(3x+π/4)
=1-cos(6x+π/2)
=1+sin6x
T=2π/6=π/3
f(x)=2sin²(3x+π/4)
=1-cos(6x+π/2)
最小正周期=2π/6=π/3
π/3