The Passion of the Christ is about as historically accurate to the Gospels and other history as the Creation Museum is accurate to science.
As for Jesus' claims;
John 10:30
I and the father are one.
(
http://www.tektonics.org/jesusclaims...claimshub.html)
For the trinity;'http://www.tektonics.org/jesusclaims/trinitydefense.html
I consider the deity of Islam, Allah, different from the name of God used by followers of YHVH. So to me, there are two Allah's, one the god of Islam who is different from YHVH in personality and nature, and the other another name for YHVH.