Смотреть видео: real analysis - Question about $\frac\sin(x)x$ and $\frac\cos(x)x$ - Mathematics

real analysis - Question about $\frac\sin(x)x$ and $\frac\cos(x)x$ - Mathematics

real analysis - Question about $\frac\sin(x)x$ and $\frac\cos(x)x$ - Mathematics

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