calculste-n-1-arctan-2-n-2- Tinku Tara June 4, 2023 Trigonometry 0 Comments FacebookTweetPin Question Number 34671 by math khazana by abdo last updated on 09/May/18 $${calculste}\:\sum_{{n}=\mathrm{1}} ^{\infty} \:\:{arctan}\left(\frac{\mathrm{2}}{{n}^{\mathrm{2}} }\right). \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: let-P-x-1-x-ix-2-n-1-x-ix-2-n-1-find-the-roots-of-P-x-2-factorize-inside-C-x-P-x-3-factorize-indide-R-x-P-x-Next Next post: prove-that-n-N-sin-nx-n-sinx- Leave a Reply Cancel replyYour email address will not be published.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.