find-k-0-n-1-1-k-cos-n-kpi-n- Tinku Tara June 4, 2023 Algebra 0 Comments FacebookTweetPin Question Number 30587 by abdo imad last updated on 23/Feb/18 $${find}\:\sum_{{k}=\mathrm{0}} ^{{n}−\mathrm{1}} \:\left(−\mathrm{1}\right)^{{k}} \:{cos}^{{n}} \left(\frac{{k}\pi}{{n}}\right). \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: let-p-1-x-x-2-x-2-n-1-1-and-q-1-x-2-n-find-p-q-Next Next post: n-k-1-k-n-is-a-family-of-integrs-numbers-let-put-p-x-k-1-n-x-n-k-and-q-x-j-0-n-1-x-j-if-n-k-k-1-n-prove-that-q-divide-p- Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Save my name, email, and website in this browser for the next time I comment.