Evaluate-lim-x-pi-7-8cos-xcos-2xcos-4x-1-x-pi-7-

Question Number 149547 by iloveisrael last updated on 06/Aug/21

Evaluate \lim_{x \to \frac{π}{7}} \frac{8 \cos xcos 2 xcos 4 x + 1}{x - \frac{π}{7}}

Answered by EDWIN88 last updated on 06/Aug/21

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