BeMath-lim-x-0-1-cos-xcos-2xcos-3xcos-4x-cos-nx-x-2-

Question Number 108757 by bemath last updated on 19/Aug/20

\frac{⋮ B e M a t h ⋮}{▹ ♡ ◃}

\lim_{x \to 0} \frac{1 - \sqrt{\cos x \cos 2 x \cos 3 x \cos 4 x \dots \cos n x}}{x^{2}} = ?

Answered by bemath last updated on 19/Aug/20

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