Fix some docstring math function names.
Fix some docstring math function names.

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