Okay I have been doing trigo sums over the past few days...

And I have also learnt that if solving for angle X gives me an answer of lets say,

, I would need to add "1 round" to

to get my answer since I can't have a negative angle.

I would like to clarify if the value of "1 round" is related to the domain of the question.

If it's true, two example would be this.

**Example one**
Angle

found to be

. Question domain is

So adding 1 round = adding

Therefore, answer =

.

**Example two**
Angle

found to be

. Question domain is

So adding 1 round = adding

Therefore, answer =

.