1.已知函数fx=sin(2x+φ)(0

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1.已知函数fx=sin(2x+φ)(01.已知函数fx=sin(2x+φ)(01.已知函数fx=sin(2x+φ)(0(1)fx=sin(2x+φ)经过点(π/12,1)sin(π/6+φ)=1∴π

1.已知函数fx=sin(2x+φ)(0
1.已知函数fx=sin(2x+φ)(0

1.已知函数fx=sin(2x+φ)(0
(1)
fx=sin(2x+φ)
经过点(π/12,1)
sin(π/6+φ)=1
∴π/6+φ=π/2+2kπ,k∈Z
∴φ=π/3+2kπ,k∈Z
∵0