n→无穷大 sin^n(2nπ/3n+1)的极限怎么求解不要用导数
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n→无穷大 sin^n(2nπ/3n+1)的极限怎么求解不要用导数
n→无穷大 sin^n(2nπ/3n+1)的极限怎么求解
不要用导数
n→无穷大 sin^n(2nπ/3n+1)的极限怎么求解不要用导数
n→∞,2nπ/(3n+1)→2π/3
∴0<sin(2nπ/(3n+1))→√3 /2<1
∴[sin(2nπ/(3n+1)]^n→0
n→无穷大 sin^n(2nπ/3n+1)的极限怎么求解不要用导数
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