Add DLMF reference for cot
Add DLMF reference for cot

jaimahajan1997/sympy,VaibhavAgarwalVA/sympy,souravsingh/sympy,aktech/sympy,MechCoder/sympy,jerli/sympy,hargup/sympy,vipulroxx/sympy,cswiercz/sympy,abloomston/sympy,Arafatk/sympy,skidzo/sympy,cccfran/sympy,debugger22/sympy,yukoba/sympy,emon10005/sympy,farhaanbukhsh/sympy,toolforger/sympy,liangjiaxing/sympy,Mitchkoens/sympy,Sumith1896/sympy,beni55/sympy,mafiya69/sympy,shikil/sympy,sahmed95/sympy,sahilshekhawat/sympy,pbrady/sympy,shipci/sympy,cswiercz/sympy,ahhda/sympy,yukoba/sympy,Davidjohnwilson/sympy,skidzo/sympy,rahuldan/sympy,madan96/sympy,grevutiu-gabriel/sympy,wanglongqi/sympy,grevutiu-gabriel/sympy,atreyv/sympy,Davidjohnwilson/sympy,jamesblunt/sympy,garvitr/sympy,sahilshekhawat/sympy,farhaanbukhsh/sympy,liangjiaxing/sympy,kevalds51/sympy,emon10005/sympy,VaibhavAgarwalVA/sympy,abhiii5459/sympy,dqnykamp/sympy,wyom/sympy,aktech/sympy,iamutkarshtiwari/sympy,jbbskinny/sympy,maniteja123/sympy,yashsharan/sympy,Designist/sympy,Titan-C/sympy,garvitr/sympy,beni55/sympy,saurabhjn76/sympy,MridulS/sympy,dqnykamp/sympy,madan96/sympy,ga7g08/sympy,MridulS/sympy,Gadal/sympy,atsao72/sympy,sunny94/temp,kevalds51/sympy,kaichogami/sympy,iamutkarshtiwari/sympy,kaichogami/sympy,yukoba/sympy,Vishluck/sympy,atsao72/sympy,cswiercz/sympy,sampadsaha5/sympy,mcdaniel67/sympy,abhiii5459/sympy,shipci/sympy,pandeyadarsh/sympy,AkademieOlympia/sympy,pbrady/sympy,wanglongqi/sympy,abloomston/sympy,rahuldan/sympy,drufat/sympy,jbbskinny/sympy,atsao72/sympy,grevutiu-gabriel/sympy,oliverlee/sympy,Arafatk/sympy,MechCoder/sympy,pandeyadarsh/sympy,souravsingh/sympy,mcdaniel67/sympy,liangjiaxing/sympy,dqnykamp/sympy,Titan-C/sympy,jamesblunt/sympy,kumarkrishna/sympy,meghana1995/sympy,Vishluck/sympy,asm666/sympy,lindsayad/sympy,ga7g08/sympy,vipulroxx/sympy,ga7g08/sympy,Mitchkoens/sympy,mafiya69/sympy,Titan-C/sympy,AkademieOlympia/sympy,chaffra/sympy,oliverlee/sympy,oliverlee/sympy,cccfran/sympy,Shaswat27/sympy,yashsharan/sympy,meghana1995/sympy,abhiii5459/sympy,rahuldan/sympy,bukzor/sympy,Shaswat27/sympy,Gadal/sympy,postvakje/sympy,madan96/sympy,skirpichev/omg,ChristinaZografou/sympy,shikil/sympy,bukzor/sympy,lindsayad/sympy,sampadsaha5/sympy,saurabhjn76/sympy,souravsingh/sympy,asm666/sympy,wyom/sympy,AunShiLord/sympy,debugger22/sympy,drufat/sympy,garvitr/sympy,chaffra/sympy,jbbskinny/sympy,moble/sympy,AkademieOlympia/sympy,chaffra/sympy,kevalds51/sympy,Mitchkoens/sympy,Designist/sympy,bukzor/sympy,sahmed95/sympy,kaichogami/sympy,cccfran/sympy,beni55/sympy,hargup/sympy,wanglongqi/sympy,ChristinaZografou/sympy,postvakje/sympy,diofant/diofant,yashsharan/sympy,Gadal/sympy,vipulroxx/sympy,meghana1995/sympy,moble/sympy,postvakje/sympy,debugger22/sympy,farhaanbukhsh/sympy,iamutkarshtiwari/sympy,kaushik94/sympy,Curious72/sympy,sampadsaha5/sympy,Arafatk/sympy,shikil/sympy,Designist/sympy,hargup/sympy,wyom/sympy,Vishluck/sympy,Curious72/sympy,asm666/sympy,maniteja123/sympy,Shaswat27/sympy,toolforger/sympy,Sumith1896/sympy,atreyv/sympy,ChristinaZografou/sympy,kumarkrishna/sympy,shipci/sympy,lindsayad/sympy,pandeyadarsh/sympy,kumarkrishna/sympy,abloomston/sympy,sahilshekhawat/sympy,ahhda/sympy,mcdaniel67/sympy,moble/sympy,VaibhavAgarwalVA/sympy,maniteja123/sympy,mafiya69/sympy,toolforger/sympy,Sumith1896/sympy,pbrady/sympy,Davidjohnwilson/sympy,Curious72/sympy,MridulS/sympy,AunShiLord/sympy,jerli/sympy,jaimahajan1997/sympy,MechCoder/sympy,atreyv/sympy,AunShiLord/sympy,ahhda/sympy,kaushik94/sympy,saurabhjn76/sympy,jamesblunt/sympy,drufat/sympy,sunny94/temp,emon10005/sympy,sahmed95/sympy,jaimahajan1997/sympy,kaushik94/sympy,sunny94/temp,aktech/sympy,skidzo/sympy,jerli/sympy