Menu Close

calculate-n-0-ln-cos-2-n-




Question Number 33308 by abdo imad last updated on 14/Apr/18
calculate Σ_(n=0) ^∞  ln(cos((α/2^n ))) .
$${calculate}\:\sum_{{n}=\mathrm{0}} ^{\infty} \:{ln}\left({cos}\left(\frac{\alpha}{\mathrm{2}^{{n}} }\right)\right)\:. \\ $$

Leave a Reply

Your email address will not be published. Required fields are marked *