TR13 returns expression with all tan or cot
TR13 returns expression with all tan or cot

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