Fix sin() example as per Firefox result (and Travis)
Fix sin() example as per Firefox result (and Travis)

Mazbaul/phpjs,hirak/phpjs,praveenscience/phpjs,imshibaji/phpjs,Mazbaul/phpjs,revanthpobala/phpjs,davidgruebl/phpjs,FlorinDragotaExpertvision/phpjs,hirak/phpjs,VicAMMON/phpjs,w35l3y/phpjs,w35l3y/phpjs,mojaray2k/phpjs,strrife/phpjs,praveenscience/phpjs,Mazbaul/phpjs,imshibaji/phpjs,MartinReidy/phpjs,revanthpobala/phpjs,mojaray2k/phpjs,MartinReidy/phpjs,revanthpobala/phpjs,hirak/phpjs,cigraphics/phpjs,janschoenherr/phpjs,FlorinDragotaExpertvision/phpjs,VicAMMON/phpjs,VicAMMON/phpjs,chand3040/phpjs,cigraphics/phpjs,FlorinDragotaExpertvision/phpjs,hirak/phpjs,w35l3y/phpjs,chand3040/phpjs,davidgruebl/phpjs,strrife/phpjs,VicAMMON/phpjs,mojaray2k/phpjs,J2TeaM/phpjs,ajenkul/phpjs,J2TeaM/phpjs,ajenkul/phpjs,MartinReidy/phpjs,janschoenherr/phpjs,J2TeaM/phpjs,FlorinDragotaExpertvision/phpjs,davidgruebl/phpjs,janschoenherr/phpjs,strrife/phpjs,chand3040/phpjs,strrife/phpjs,kvz/phpjs,praveenscience/phpjs,ajenkul/phpjs,kvz/phpjs,kvz/phpjs,cigraphics/phpjs,J2TeaM/phpjs,kvz/phpjs,janschoenherr/phpjs,davidgruebl/phpjs,praveenscience/phpjs,imshibaji/phpjs,ajenkul/phpjs,cigraphics/phpjs,revanthpobala/phpjs,Mazbaul/phpjs,mojaray2k/phpjs,imshibaji/phpjs,MartinReidy/phpjs,w35l3y/phpjs