Aligning two equations on a selected pair of symbols












4














How can I center an equation according to Leftrightarrow? I would like the secondLeftrightarrow to be below the first.



documentclass[12pt,a4paper]{report}
begin{document}

begin{equation}
x = r cos varphi = 0 qquad Leftrightarrow qquad cosvarphi = 0,
end{equation}

begin{equation}
y= 56 qquad Leftrightarrow qquad sinalpha = ,
end{equation}


end{document}









share|improve this question
























  • I can't help but comment that if Leftrightarrow is supposed to mean "if and only if", the statement in the first equatioin is incorrect: rcosvarphi=0 is true if either cosvarphi=0 or r=0.
    – Mico
    2 days ago










  • OK, thank you, it was just example
    – Elisabeth
    2 days ago






  • 2




    Leftrightarrow can be replaced with iff
    – user94293
    2 days ago
















4














How can I center an equation according to Leftrightarrow? I would like the secondLeftrightarrow to be below the first.



documentclass[12pt,a4paper]{report}
begin{document}

begin{equation}
x = r cos varphi = 0 qquad Leftrightarrow qquad cosvarphi = 0,
end{equation}

begin{equation}
y= 56 qquad Leftrightarrow qquad sinalpha = ,
end{equation}


end{document}









share|improve this question
























  • I can't help but comment that if Leftrightarrow is supposed to mean "if and only if", the statement in the first equatioin is incorrect: rcosvarphi=0 is true if either cosvarphi=0 or r=0.
    – Mico
    2 days ago










  • OK, thank you, it was just example
    – Elisabeth
    2 days ago






  • 2




    Leftrightarrow can be replaced with iff
    – user94293
    2 days ago














4












4








4


1





How can I center an equation according to Leftrightarrow? I would like the secondLeftrightarrow to be below the first.



documentclass[12pt,a4paper]{report}
begin{document}

begin{equation}
x = r cos varphi = 0 qquad Leftrightarrow qquad cosvarphi = 0,
end{equation}

begin{equation}
y= 56 qquad Leftrightarrow qquad sinalpha = ,
end{equation}


end{document}









share|improve this question















How can I center an equation according to Leftrightarrow? I would like the secondLeftrightarrow to be below the first.



documentclass[12pt,a4paper]{report}
begin{document}

begin{equation}
x = r cos varphi = 0 qquad Leftrightarrow qquad cosvarphi = 0,
end{equation}

begin{equation}
y= 56 qquad Leftrightarrow qquad sinalpha = ,
end{equation}


end{document}






math-mode equations






share|improve this question















share|improve this question













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edited 2 days ago









Circumscribe

4,5611432




4,5611432










asked 2 days ago









Elisabeth

4416




4416












  • I can't help but comment that if Leftrightarrow is supposed to mean "if and only if", the statement in the first equatioin is incorrect: rcosvarphi=0 is true if either cosvarphi=0 or r=0.
    – Mico
    2 days ago










  • OK, thank you, it was just example
    – Elisabeth
    2 days ago






  • 2




    Leftrightarrow can be replaced with iff
    – user94293
    2 days ago


















  • I can't help but comment that if Leftrightarrow is supposed to mean "if and only if", the statement in the first equatioin is incorrect: rcosvarphi=0 is true if either cosvarphi=0 or r=0.
    – Mico
    2 days ago










  • OK, thank you, it was just example
    – Elisabeth
    2 days ago






  • 2




    Leftrightarrow can be replaced with iff
    – user94293
    2 days ago
















I can't help but comment that if Leftrightarrow is supposed to mean "if and only if", the statement in the first equatioin is incorrect: rcosvarphi=0 is true if either cosvarphi=0 or r=0.
– Mico
2 days ago




I can't help but comment that if Leftrightarrow is supposed to mean "if and only if", the statement in the first equatioin is incorrect: rcosvarphi=0 is true if either cosvarphi=0 or r=0.
– Mico
2 days ago












OK, thank you, it was just example
– Elisabeth
2 days ago




OK, thank you, it was just example
– Elisabeth
2 days ago




2




2




Leftrightarrow can be replaced with iff
– user94293
2 days ago




Leftrightarrow can be replaced with iff
– user94293
2 days ago










2 Answers
2






active

oldest

votes


















5














I suggest you




  • replace the two equation enviroments with a single align environment, and

  • insert & alignment points in front of the two Leftrightarrow directives.


The align LaTeX environment is one of several tools the amsmath package provides for typesetting multi-line math constructs. It would be an excellent idea for you to familiarize yourself with the user guide of the amsmath package.



enter image description here



documentclass[12pt,a4paper]{report}
usepackage{amsmath} % for 'align' environment
begin{document}
begin{align}
x=rcosvarphi=0 qquad &Leftrightarrow qquad cosvarphi=0 \
y = 56 qquad &Leftrightarrow qquad sinalpha=dotsc
end{align}
end{document}





share|improve this answer





























    3














    Thank's to @Mico



    documentclass[12pt,a4paper]{report} 
    usepackage{amsmath}
    begin{document}
    begin{align}
    x = r cos varphi = 0 qquad &Leftrightarrow qquad cosvarphi = 0, \
    y= 56 qquad &Leftrightarrow qquad sinalpha =0 ,
    end{align}
    end{document}





    share|improve this answer























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      2 Answers
      2






      active

      oldest

      votes








      2 Answers
      2






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes









      5














      I suggest you




      • replace the two equation enviroments with a single align environment, and

      • insert & alignment points in front of the two Leftrightarrow directives.


      The align LaTeX environment is one of several tools the amsmath package provides for typesetting multi-line math constructs. It would be an excellent idea for you to familiarize yourself with the user guide of the amsmath package.



      enter image description here



      documentclass[12pt,a4paper]{report}
      usepackage{amsmath} % for 'align' environment
      begin{document}
      begin{align}
      x=rcosvarphi=0 qquad &Leftrightarrow qquad cosvarphi=0 \
      y = 56 qquad &Leftrightarrow qquad sinalpha=dotsc
      end{align}
      end{document}





      share|improve this answer


























        5














        I suggest you




        • replace the two equation enviroments with a single align environment, and

        • insert & alignment points in front of the two Leftrightarrow directives.


        The align LaTeX environment is one of several tools the amsmath package provides for typesetting multi-line math constructs. It would be an excellent idea for you to familiarize yourself with the user guide of the amsmath package.



        enter image description here



        documentclass[12pt,a4paper]{report}
        usepackage{amsmath} % for 'align' environment
        begin{document}
        begin{align}
        x=rcosvarphi=0 qquad &Leftrightarrow qquad cosvarphi=0 \
        y = 56 qquad &Leftrightarrow qquad sinalpha=dotsc
        end{align}
        end{document}





        share|improve this answer
























          5












          5








          5






          I suggest you




          • replace the two equation enviroments with a single align environment, and

          • insert & alignment points in front of the two Leftrightarrow directives.


          The align LaTeX environment is one of several tools the amsmath package provides for typesetting multi-line math constructs. It would be an excellent idea for you to familiarize yourself with the user guide of the amsmath package.



          enter image description here



          documentclass[12pt,a4paper]{report}
          usepackage{amsmath} % for 'align' environment
          begin{document}
          begin{align}
          x=rcosvarphi=0 qquad &Leftrightarrow qquad cosvarphi=0 \
          y = 56 qquad &Leftrightarrow qquad sinalpha=dotsc
          end{align}
          end{document}





          share|improve this answer












          I suggest you




          • replace the two equation enviroments with a single align environment, and

          • insert & alignment points in front of the two Leftrightarrow directives.


          The align LaTeX environment is one of several tools the amsmath package provides for typesetting multi-line math constructs. It would be an excellent idea for you to familiarize yourself with the user guide of the amsmath package.



          enter image description here



          documentclass[12pt,a4paper]{report}
          usepackage{amsmath} % for 'align' environment
          begin{document}
          begin{align}
          x=rcosvarphi=0 qquad &Leftrightarrow qquad cosvarphi=0 \
          y = 56 qquad &Leftrightarrow qquad sinalpha=dotsc
          end{align}
          end{document}






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 2 days ago









          Mico

          273k30369756




          273k30369756























              3














              Thank's to @Mico



              documentclass[12pt,a4paper]{report} 
              usepackage{amsmath}
              begin{document}
              begin{align}
              x = r cos varphi = 0 qquad &Leftrightarrow qquad cosvarphi = 0, \
              y= 56 qquad &Leftrightarrow qquad sinalpha =0 ,
              end{align}
              end{document}





              share|improve this answer




























                3














                Thank's to @Mico



                documentclass[12pt,a4paper]{report} 
                usepackage{amsmath}
                begin{document}
                begin{align}
                x = r cos varphi = 0 qquad &Leftrightarrow qquad cosvarphi = 0, \
                y= 56 qquad &Leftrightarrow qquad sinalpha =0 ,
                end{align}
                end{document}





                share|improve this answer


























                  3












                  3








                  3






                  Thank's to @Mico



                  documentclass[12pt,a4paper]{report} 
                  usepackage{amsmath}
                  begin{document}
                  begin{align}
                  x = r cos varphi = 0 qquad &Leftrightarrow qquad cosvarphi = 0, \
                  y= 56 qquad &Leftrightarrow qquad sinalpha =0 ,
                  end{align}
                  end{document}





                  share|improve this answer














                  Thank's to @Mico



                  documentclass[12pt,a4paper]{report} 
                  usepackage{amsmath}
                  begin{document}
                  begin{align}
                  x = r cos varphi = 0 qquad &Leftrightarrow qquad cosvarphi = 0, \
                  y= 56 qquad &Leftrightarrow qquad sinalpha =0 ,
                  end{align}
                  end{document}






                  share|improve this answer














                  share|improve this answer



                  share|improve this answer








                  edited 2 days ago









                  sztruks

                  1,512717




                  1,512717










                  answered 2 days ago









                  Hafid Boukhoulda

                  1,6141516




                  1,6141516






























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