Find the limit of sequence (complex numbers)











up vote
-3
down vote

favorite












How do I find the limit of
$$Z_n=nsin{frac{i}{n}}$$
I'd say it is 0, but the book says $i$.










share|cite|improve this question


























    up vote
    -3
    down vote

    favorite












    How do I find the limit of
    $$Z_n=nsin{frac{i}{n}}$$
    I'd say it is 0, but the book says $i$.










    share|cite|improve this question
























      up vote
      -3
      down vote

      favorite









      up vote
      -3
      down vote

      favorite











      How do I find the limit of
      $$Z_n=nsin{frac{i}{n}}$$
      I'd say it is 0, but the book says $i$.










      share|cite|improve this question













      How do I find the limit of
      $$Z_n=nsin{frac{i}{n}}$$
      I'd say it is 0, but the book says $i$.







      limits complex-numbers






      share|cite|improve this question













      share|cite|improve this question











      share|cite|improve this question




      share|cite|improve this question










      asked 7 hours ago









      user3132457

      475




      475






















          2 Answers
          2






          active

          oldest

          votes

















          up vote
          2
          down vote



          accepted










          $Z_n= ifrac {sin (i/n)} {i/n} to i$.






          share|cite|improve this answer




























            up vote
            0
            down vote













            Hints:



            $$sin(ix) = icdot sinh b\lim_{xto0} frac{sinh(x)}{x} = 1$$






            share|cite|improve this answer





















              Your Answer





              StackExchange.ifUsing("editor", function () {
              return StackExchange.using("mathjaxEditing", function () {
              StackExchange.MarkdownEditor.creationCallbacks.add(function (editor, postfix) {
              StackExchange.mathjaxEditing.prepareWmdForMathJax(editor, postfix, [["$", "$"], ["\\(","\\)"]]);
              });
              });
              }, "mathjax-editing");

              StackExchange.ready(function() {
              var channelOptions = {
              tags: "".split(" "),
              id: "69"
              };
              initTagRenderer("".split(" "), "".split(" "), channelOptions);

              StackExchange.using("externalEditor", function() {
              // Have to fire editor after snippets, if snippets enabled
              if (StackExchange.settings.snippets.snippetsEnabled) {
              StackExchange.using("snippets", function() {
              createEditor();
              });
              }
              else {
              createEditor();
              }
              });

              function createEditor() {
              StackExchange.prepareEditor({
              heartbeatType: 'answer',
              convertImagesToLinks: true,
              noModals: true,
              showLowRepImageUploadWarning: true,
              reputationToPostImages: 10,
              bindNavPrevention: true,
              postfix: "",
              imageUploader: {
              brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
              contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
              allowUrls: true
              },
              noCode: true, onDemand: true,
              discardSelector: ".discard-answer"
              ,immediatelyShowMarkdownHelp:true
              });


              }
              });














               

              draft saved


              draft discarded


















              StackExchange.ready(
              function () {
              StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fmath.stackexchange.com%2fquestions%2f2999409%2ffind-the-limit-of-sequence-complex-numbers%23new-answer', 'question_page');
              }
              );

              Post as a guest















              Required, but never shown

























              2 Answers
              2






              active

              oldest

              votes








              2 Answers
              2






              active

              oldest

              votes









              active

              oldest

              votes






              active

              oldest

              votes








              up vote
              2
              down vote



              accepted










              $Z_n= ifrac {sin (i/n)} {i/n} to i$.






              share|cite|improve this answer

























                up vote
                2
                down vote



                accepted










                $Z_n= ifrac {sin (i/n)} {i/n} to i$.






                share|cite|improve this answer























                  up vote
                  2
                  down vote



                  accepted







                  up vote
                  2
                  down vote



                  accepted






                  $Z_n= ifrac {sin (i/n)} {i/n} to i$.






                  share|cite|improve this answer












                  $Z_n= ifrac {sin (i/n)} {i/n} to i$.







                  share|cite|improve this answer












                  share|cite|improve this answer



                  share|cite|improve this answer










                  answered 7 hours ago









                  Kavi Rama Murthy

                  39k31748




                  39k31748






















                      up vote
                      0
                      down vote













                      Hints:



                      $$sin(ix) = icdot sinh b\lim_{xto0} frac{sinh(x)}{x} = 1$$






                      share|cite|improve this answer

























                        up vote
                        0
                        down vote













                        Hints:



                        $$sin(ix) = icdot sinh b\lim_{xto0} frac{sinh(x)}{x} = 1$$






                        share|cite|improve this answer























                          up vote
                          0
                          down vote










                          up vote
                          0
                          down vote









                          Hints:



                          $$sin(ix) = icdot sinh b\lim_{xto0} frac{sinh(x)}{x} = 1$$






                          share|cite|improve this answer












                          Hints:



                          $$sin(ix) = icdot sinh b\lim_{xto0} frac{sinh(x)}{x} = 1$$







                          share|cite|improve this answer












                          share|cite|improve this answer



                          share|cite|improve this answer










                          answered 7 hours ago









                          5xum

                          88.2k392160




                          88.2k392160






























                               

                              draft saved


                              draft discarded



















































                               


                              draft saved


                              draft discarded














                              StackExchange.ready(
                              function () {
                              StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fmath.stackexchange.com%2fquestions%2f2999409%2ffind-the-limit-of-sequence-complex-numbers%23new-answer', 'question_page');
                              }
                              );

                              Post as a guest















                              Required, but never shown





















































                              Required, but never shown














                              Required, but never shown












                              Required, but never shown







                              Required, but never shown

































                              Required, but never shown














                              Required, but never shown












                              Required, but never shown







                              Required, but never shown







                              Popular posts from this blog

                              QoS: MAC-Priority for clients behind a repeater

                              Ивакино (Тотемский район)

                              Can't locate Autom4te/ChannelDefs.pm in @INC (when it definitely is there)