Our God is one God. He is not three gods. We cannot serve three gods. If we to have three gods, they would have been having different priorities and modality for worship. But as it is, our God is just one God. The is the Lord God Almighty. He is the alpha and Omega. He is the Great God who created the entire universe. Everything that exists owes its life to Him. There is no other God besides Him. His power is very visible in the entire universe. There is no other who can contend with Him. He is tha True God.
This Almighty God has the power to do Anything. He has revealed himself to us in many ways. We have seen him in creation as the Father God. He is the Father of all creations. He created the entire world. Then he seeks to establish a relationship with humanity when Adam fell Him in the garden of Eden. This Father God sought for a man and then found Abraham. He started a relationship with Abraham and his seeds.
Later, God revealed himself in the form of a man when He broke into the realms of humanity in the form of a man. This man was His Son. That is our Lord Jesus Christ. The Father announced the arrival of the Son when when he told the disciples: THIS IS MY BELOVED SON IN WHOM I WELL PLEASED!
Our God still showed himself to us in the form of the Holy Spirit working among us today. Let us therefore worship the Father, the Son and the Holy Spirit.