Don't hold a gradge

In order to conquer anger, you should forgive anyone that who angered you and also it is a powerful tool to use. 

Use humor to free up tension 

Use humar to help you face what's making you angry and any unrealistic expectations you have for how things should go. 

Practice relaxation skills

Practice deep breathing exercises, imagine a relaxing scene. Also try to listen to cool music. 

Think anything before acting or spiking

When you are angry, it's easy to say something you'll later going to regret. So the best thing, you should take a few moments to collect your thoughts before saying or acting anything. 

Indentifying possible solution

Don't focus on what made you made insteady think on something on resolving the issues at hand 

Take a break

Give yourself a break during times of the day that tend to be stressful. A few moments of a quiet place might help you feel better prepared to face what got you angry.