Jesus said, “I and the Father are one.” It is this statement, among others, that caused the Scribes and Pharisees, the Jewish priests, to condemn Jesus and call for His death. There is only one who is perfect, which of course, is God. God came to earth in the person of Jesus, to be sacrificed as the atonement for the sins of the world, because only the sinless Lamb of God could take the sins of the world on Himself, in order that we do not have to suffer for our sins, through our belief in Him.
This article does a much better explanation of the trinity, than I can:
https://www.crosswalk.com/faith/bible-study/5-scriptural-points-to-help-you-understand-the-trinity.html
If it's NOT officially approved as acceptable reading material from headquarters; a True Mormon will not read it.