A:g(x)=2sin2x
B:g(x)=2sin(2x+π6)
C:g(x)=2sin(2x+π2)
D:g(x)=2sin(2x+2π3)
Jack has met the famous scientist.
商店里以同样的价格卖出了两件大衣,其中一件赚了110,一件亏了110,总体来讲这家商店是( )