Add integral example to Fresnel docstring
Add integral example to Fresnel docstring

toolforger/sympy,jerli/sympy,Davidjohnwilson/sympy,dqnykamp/sympy,MechCoder/sympy,bukzor/sympy,amitjamadagni/sympy,yukoba/sympy,Designist/sympy,Sumith1896/sympy,Titan-C/sympy,vipulroxx/sympy,Titan-C/sympy,toolforger/sympy,pbrady/sympy,yukoba/sympy,ga7g08/sympy,jaimahajan1997/sympy,jbbskinny/sympy,ahhda/sympy,Arafatk/sympy,pbrady/sympy,shipci/sympy,jamesblunt/sympy,debugger22/sympy,bukzor/sympy,VaibhavAgarwalVA/sympy,atreyv/sympy,kaichogami/sympy,debugger22/sympy,yashsharan/sympy,Arafatk/sympy,kumarkrishna/sympy,wanglongqi/sympy,sahilshekhawat/sympy,kmacinnis/sympy,Gadal/sympy,kumarkrishna/sympy,jamesblunt/sympy,shipci/sympy,MechCoder/sympy,jaimahajan1997/sympy,Titan-C/sympy,wanglongqi/sympy,abhiii5459/sympy,saurabhjn76/sympy,garvitr/sympy,sunny94/temp,Shaswat27/sympy,sunny94/temp,srjoglekar246/sympy,AunShiLord/sympy,sahilshekhawat/sympy,lindsayad/sympy,shikil/sympy,beni55/sympy,abloomston/sympy,garvitr/sympy,MridulS/sympy,lidavidm/sympy,mafiya69/sympy,souravsingh/sympy,liangjiaxing/sympy,sahmed95/sympy,rahuldan/sympy,liangjiaxing/sympy,kaichogami/sympy,Vishluck/sympy,oliverlee/sympy,iamutkarshtiwari/sympy,chaffra/sympy,cccfran/sympy,iamutkarshtiwari/sympy,madan96/sympy,liangjiaxing/sympy,Designist/sympy,wanglongqi/sympy,sahmed95/sympy,saurabhjn76/sympy,MridulS/sympy,toolforger/sympy,grevutiu-gabriel/sympy,hrashk/sympy,jamesblunt/sympy,maniteja123/sympy,skidzo/sympy,lidavidm/sympy,atreyv/sympy,mcdaniel67/sympy,atsao72/sympy,chaffra/sympy,jbbskinny/sympy,moble/sympy,hrashk/sympy,kumarkrishna/sympy,yukoba/sympy,drufat/sympy,ga7g08/sympy,mafiya69/sympy,madan96/sympy,aktech/sympy,amitjamadagni/sympy,VaibhavAgarwalVA/sympy,postvakje/sympy,asm666/sympy,kaushik94/sympy,mcdaniel67/sympy,sahmed95/sympy,cccfran/sympy,chaffra/sympy,grevutiu-gabriel/sympy,saurabhjn76/sympy,bukzor/sympy,maniteja123/sympy,madan96/sympy,kmacinnis/sympy,AkademieOlympia/sympy,pandeyadarsh/sympy,AkademieOlympia/sympy,ahhda/sympy,jbbskinny/sympy,kevalds51/sympy,sampadsaha5/sympy,moble/sympy,asm666/sympy,postvakje/sympy,wyom/sympy,emon10005/sympy,dqnykamp/sympy,Mitchkoens/sympy,wyom/sympy,shikil/sympy,Davidjohnwilson/sympy,hargup/sympy,Shaswat27/sympy,AunShiLord/sympy,Curious72/sympy,farhaanbukhsh/sympy,debugger22/sympy,mafiya69/sympy,hargup/sympy,rahuldan/sympy,Arafatk/sympy,drufat/sympy,Shaswat27/sympy,jerli/sympy,moble/sympy,meghana1995/sympy,Mitchkoens/sympy,garvitr/sympy,Curious72/sympy,pandeyadarsh/sympy,kmacinnis/sympy,Designist/sympy,yashsharan/sympy,asm666/sympy,MechCoder/sympy,abhiii5459/sympy,sahilshekhawat/sympy,ahhda/sympy,beni55/sympy,kevalds51/sympy,lindsayad/sympy,meghana1995/sympy,grevutiu-gabriel/sympy,sampadsaha5/sympy,drufat/sympy,emon10005/sympy,souravsingh/sympy,sampadsaha5/sympy,beni55/sympy,pbrady/sympy,aktech/sympy,ChristinaZografou/sympy,Gadal/sympy,shipci/sympy,kaichogami/sympy,Vishluck/sympy,rahuldan/sympy,cccfran/sympy,Curious72/sympy,iamutkarshtiwari/sympy,dqnykamp/sympy,AunShiLord/sympy,MridulS/sympy,yashsharan/sympy,atsao72/sympy,maniteja123/sympy,ga7g08/sympy,abhiii5459/sympy,abloomston/sympy,atreyv/sympy,Davidjohnwilson/sympy,oliverlee/sympy,aktech/sympy,vipulroxx/sympy,farhaanbukhsh/sympy,mcdaniel67/sympy,AkademieOlympia/sympy,skidzo/sympy,meghana1995/sympy,cswiercz/sympy,wyom/sympy,Sumith1896/sympy,kevalds51/sympy,kaushik94/sympy,sunny94/temp,VaibhavAgarwalVA/sympy,ChristinaZografou/sympy,shikil/sympy,kaushik94/sympy,oliverlee/sympy,farhaanbukhsh/sympy,pandeyadarsh/sympy,emon10005/sympy,cswiercz/sympy,souravsingh/sympy,vipulroxx/sympy,atsao72/sympy,Mitchkoens/sympy,hargup/sympy,diofant/diofant,jaimahajan1997/sympy,skidzo/sympy,Sumith1896/sympy,skirpichev/omg,postvakje/sympy,lidavidm/sympy,flacjacket/sympy,hrashk/sympy,ChristinaZografou/sympy,cswiercz/sympy,lindsayad/sympy,jerli/sympy,abloomston/sympy,Vishluck/sympy,Gadal/sympy