The anger is a good thing. It builds psychological boundaries to protext yourself against being sucked in again.
Over time, the anger dissipates, if you start filling your life with more constructive thoughts and hopes and dreams.
The more engaged you become with building a new life, the less time you will have to feel hurt and angry and betrayed.
Butit will take small steps first. Doing small things. Establishing a life and an identity outside of the krazy kult takes baby steps, time, and focusing on what you now want - and what you are now allowed to have - in life.
Structure some time each day to appreciate what you like in life - art, food, books, anything that lets you feel your own sense of existing, of being alive, of having your life back, of being free for the first time. Nurture feelings of appreciation for what you are free to pursue now.
The anger is useful, try to keep it focused where it truly belongs, and start letting yourself have other feelings, too.
For me, I found great relief in being alone - free from prying eyes, judgmental minds, spiteful tongues, hypocrits. I rejoiced in being free from them, from not having to see them at meetings, or espouse their beliefs in service.
From there I branched out into activities that interested me.
After awhile, I only got angry when confronted with an example of their petty attempts to control people.
I was free from them.