The rest isnt just my opinion
Its fact
The protestant churches believe in the same God as you do
The trinity,infact in order to be a part of the world council of churches
You have to believe the trinity or you are classed as a cult.
Again its fact Rome believes trinity is the foundation on which all her doctrines come from
The mystery of the Most Holy Trinity is the central mystery of Christian faith and life. It is the mystery of God in himself. It is therefore the source of all the other mysteries of faith, the light that enlightens them. It is the most fundamental and essential teaching in the 'hierarchy of the truths of faith'.
https://www.catholicnewsagency.com › ...
The Trinity – Catechism of the Catholic Church
Not my words,these are the words of the catholic ststement of faith
Ecumenical Patriarchate Permanent Delegation to the World Council of Churches
Orthodox–Reformed Dialogue
Agreed Statement on the Holy Trinity
Kappel-am Albis, Switzerland, March, 1992
We confess together the evangelical and ancient Faith of the Catholic Church in ‘the uncreated, consubstantial and coeternal Trinity’, promulgated by the Councils of Nicaea (AD 325) and Constantinople (AD 381). ‘This is the Faith of our baptism that teaches us to believe in the Name of the Father, of the Son and of the Holy Spirit. According to this Faith there is one Godhead, Power and Being of the Father, of the Son, and of the Holy Spirit, equal in Honour, Majesty and eternal Sovereignty in three most perfect Subsistences (en trisi teleiotatais hypostasesin), that is, in three perfect Persons’(trisi teleiois prosopois) (Ep. Syn. Constantinopolitan ae, AD 382)
https://www.ecupatria.org/documents/agreed-statement-on-the-holy-trinity-1992/
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WCC Approves a Trinitarian Basis
Christianity Today
December 22, 1961 issue
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By approving the expanded Basis of membership proposed last summer at St. Andrews, the New Delhi Assembly gave greater ecumenical centrality to the doctrine of the Trinity and to the role of the Bible. Hailed both by Evangelical and by Eastern Orthodox leaders, the step avoided reduction of the ecumenical witness to “a dull and uninteresting gray.” It gave promise of new virility in matching a theological counterattack to “the acceleration of history” in a revolutionary age, to the resurgence of non-Christian religions, to the aggression of evolutionary atheism, to the dazzling spell of scientific technology, and to the grip of secular materialism.
Although almost one in ten of the delegates voting on the issue opposed approval of the trinitarian basis, including some liberal leaders who thought the action would launch the World Council along the pathway of creed-making, the St. Andrews proposal swept through the General Assembly by a 383–36 vote. Its immediate effect was to disqualify Unitarians from WCC membership.
https://www.christianitytoday.com/1961/12/wcc-approves-trinitarian-basis/