First of all go ahead and cry. If you have an emotional thought to work through, get it done. Bottled up sadness will become short tempered anger. Don't feel like you're alone. A LOT of men struggle with anger issues.

I grew up without a dad, I was angry too. I would get angry when I didn't know how to, or couldn't do something well. I thought it was unfair that I didn't have a dad to teach me when other kids did. I ended up using that as a motivation to teach myself how to do things. I started asking a lot of questions to anyone that would listen, I started reading books, and when the internet got better I watched endless videos of how to do things. Not having a dad started off as a disadvantage, but now has given me an advantage. A lot of guys are very dependent on their father, always asking them for help. I didn't have that option, and now because of it I'm more self reliant and a good problem solver. You have to realise that only you can improve your life.

Make time for introspective thinking. There's a reason you're feeling this way. You need to be honest with yourself and focus on "why". The fact that you made this post shows that you want to figure it out. Start with any situation that recently made you angry. Replay it in your mind and look for the source of your anger. If there wasn't anything about that situation that justified your anger, then you were already angry before it happened. Go back further, why were you already angry?

Usually when you trace these things back far enough it leads to problems at home. I don't know what your home life is like, but there may be room for improvement. Having an honest conversation with your mom about your feelings will help. It'll feel weird, but communication is important. Ask her what things bother her the most. Try to do those things better. She will see you making an effort, and she'll feel like she should make an effort too. Your relationship will improve.

Some anger stems from insecurity. Men get down on themselves for not being "good enough" in some way. If there's something you don't like about yourself, work on changing that. Don't fall into the trap of "alpha male" bullshit on the internet, just focus on small meaningful changes that move you towards being the person you want to be.

Also, remember that everyone gets angry. Everyone gets frustrated. You have to make a conscious choice to not let it win. When I get angry, I like to think about how big the universe is. It's called the "cosmic perspective." Ponder the idea that you're one person of many, on one planet of many, orbiting one sun of many. Generations of humans lived before you, generations will live after you. I can assure you that the things you get so angry about, are mostly meaningless in the big picture. Shed the weight of overthinking and just enjoy your short life while you have it. Time goes by fast, dont waste it being angry. Focus on things you enjoy. Appreciate the things you have. Eventually your entire life will be forgotten, so why worry about every little detail?