Menu Close

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




Question Number 34682 by math khazana by abdo last updated on 09/May/18
calculate  Σ_(n=0) ^∞   ln(cos((a/2^n )))
$${calculate}\:\:\sum_{{n}=\mathrm{0}} ^{\infty} \:\:{ln}\left({cos}\left(\frac{{a}}{\mathrm{2}^{{n}} }\right)\right) \\ $$

Leave a Reply

Your email address will not be published.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