Bile is not an enzyme but a salt it emusifies(break downs)fats into simpler salts
bicarbonate turns the meduim of food from acidic which was in stomach to basic for the activation of the pancreatic amylase.
pancreatic amylase has lot of enzymes such as
they all act in digetion of food into simpler products
for more infromation pls refer ncert class 11 biology chapter digestion and absorption for reactions in equations
hope it helps u