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求函数的最小正周期
求函数y=5cos(3π/2 x-根号2πx+2π/3)的最小正周期
人气:421 ℃ 时间:2020-06-15 15:37:42
解答
y=5cos(3π/2 x-根号2πx+2π/3)
=5cos[(3π/2-根号2π)x+2π/3]
最小正周期T=2π/(3π/2-根号2π)=4/(3-2根号2) =4(3+2根号2)
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