A reference angle is the angle between the terminal side of an angle and the x-axis. To find the reference angle, you take the angle (in radians or degrees) and plug it into the inverse function.
There are many ways to skin a cat, and each person has their own method that works best for them.
No matter what else is going on in your life, always remember to focus on your job.
Math is hard, and it's okay to admit that you need help. The important thing is to keep trying and to never give up.
To determine what the math problem is, you will need to take a close look at the information given and use your problem-solving skills. Once you have determined what the problem is, you can begin to work on finding the solution.