已知函数y=f(x)=2sin(2x+派/6),①求f(x)的振幅和最小正周期 ②求f(派/6)的值
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已知函数y=f(x)=2sin(2x+派/6),①求f(x)的振幅和最小正周期 ②求f(派/6)的值
已知函数y=f(x)=2sin(2x+派/6),①求f(x)的振幅和最小正周期 ②求f(派/6)的值
已知函数y=f(x)=2sin(2x+派/6),①求f(x)的振幅和最小正周期 ②求f(派/6)的值
f(x)=2sin(2x+π/6)=2sin[2(x+π/12]
A=2,ω=2,φ=π/12
所以振幅是2
周期T=2π/ω=π
f(π/6)=2sin(2×π/6+π/6)=2sinπ/2=2×1=2
①求f(x)的振幅=2
最小正周期= 派
2)f(派/6)=2