求下列函数的周期 ⑴ y=2sinx+3 ⑵ y=2sin(π/3 + x/2) ⑶ y=2cos3x ⑷ y=-2cos(1/2x + π/3)求下列函数的周期 ⑴ y=2sinx+3 ⑵ y=2sin(π/3 + x/2) ⑶ y=2cos3x
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![求下列函数的周期 ⑴ y=2sinx+3 ⑵ y=2sin(π/3 + x/2) ⑶ y=2cos3x ⑷ y=-2cos(1/2x + π/3)求下列函数的周期 ⑴ y=2sinx+3 ⑵ y=2sin(π/3 + x/2) ⑶ y=2cos3x](/uploads/image/z/2689789-13-9.jpg?t=%E6%B1%82%E4%B8%8B%E5%88%97%E5%87%BD%E6%95%B0%E7%9A%84%E5%91%A8%E6%9C%9F+%E2%91%B4+y%3D2sinx%2B3+%E2%91%B5+y%3D2sin%28%CF%80%2F3+%2B+x%2F2%29+%E2%91%B6+y%3D2cos3x+%E2%91%B7+y%3D-2cos%281%2F2x+%2B+%CF%80%2F3%EF%BC%89%E6%B1%82%E4%B8%8B%E5%88%97%E5%87%BD%E6%95%B0%E7%9A%84%E5%91%A8%E6%9C%9F++++++++%E2%91%B4+y%3D2sinx%2B3+++++++++++++++++++++++++%E2%91%B5+y%3D2sin%28%CF%80%2F3+%2B+x%2F2%29+++++++++++++++++++++++++%E2%91%B6+y%3D2cos3x)
求下列函数的周期 ⑴ y=2sinx+3 ⑵ y=2sin(π/3 + x/2) ⑶ y=2cos3x ⑷ y=-2cos(1/2x + π/3)求下列函数的周期 ⑴ y=2sinx+3 ⑵ y=2sin(π/3 + x/2) ⑶ y=2cos3x
求下列函数的周期 ⑴ y=2sinx+3 ⑵ y=2sin(π/3 + x/2) ⑶ y=2cos3x ⑷ y=-2cos(1/2x + π/3)
求下列函数的周期 ⑴ y=2sinx+3
⑵ y=2sin(π/3 + x/2)
⑶ y=2cos3x
⑷ y=-2cos(1/2x + π/3)
需要有过程的 谢谢!
求下列函数的周期 ⑴ y=2sinx+3 ⑵ y=2sin(π/3 + x/2) ⑶ y=2cos3x ⑷ y=-2cos(1/2x + π/3)求下列函数的周期 ⑴ y=2sinx+3 ⑵ y=2sin(π/3 + x/2) ⑶ y=2cos3x
根据:y=Asin(ωx+φ)+B或y=Acos(ωx+φ)+B的周期为T=2π/ω
(1)T=2π
(2)T=2π/(1/2)=4π
(3)T=2π/3
(4)T=2π/(1/2)=4π