作业帮函数y=sin(2x+φ)(0
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函数y=sin(2x+φ)(0
函数y=sin(2x+φ)(0
函数y=sin(2x+φ)(0
sin(2x+φ)要成为偶函数,只有化为±cos(2x)
sin(2x+φ)＝cos(π/2－2x－φ)＝cos(2x+φ－π/2)
所以φ＝kπ＋π/2,k为任意整数.由0＜φ＜π得k＝0,所以φ＝π/2
若函数y=-2sin(x+φ)(0
函数y=sin(2x+φ)(0
设函数y=3sin(2x+φ)（0
函数y=sin(2x+φ)(0
函数y=sin(2x+φ)(0
函数y=3sin(2x+φ)(0函数为偶函数
函数y=sin(ωx+φ)(ω>0,|φ|
函数y=sin(ωx+φ)(ω>0,|φ|
已知函数y=2sin(2x+φ)(|φ|
已知函数y=2sin(2x+φ)(|φ|
函数y=sin(ωx+φ)(ω>0m0
函数y=2sin(2x-π/6)(0
函数y=sin(2x+α),0
函数Y=sin(2x+a),0
函数Y=sin(2x+a),0
如果函数y=3sin(2x+&)(0
函数y=sin(2x+α)(0
已知函数f(x) =√3cos(2x-y)-sin(2x-y) (0