I am building a model which predicts angles as output. What are the different kinds of outputs that can be used to predict angles?
- output the angle in radians
- cyclic nature of the angles is not captured
- output might be outside $\left[-\pi, \pi \right)$
- output the sine and the cosine of the angle
- outputs might not satisfy $\sin^2 \theta + \cos^2 \theta = 1$
What are the pros and cons of different methods?