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数学
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函数y=3sinx(2x+1)cos(2x+1)+2的周期?
人气:226 ℃ 时间:2020-05-13 08:38:20
解答
y=3/2*2sinx(2x+1)cos(2x+1)+2
=3/2sin(4x+2)+2
所以周期T=2π/4=π/2
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