The camera in the game will allow you to quickly and accurately monitor the angle where she is looking in real time. To use the camera, you just need to download the mod and start using it.
Camera Mod for Minecraft 1.16.3/1.16.2/1.15.2/1.14.4
Do not forget that you need to set the broadcast screen. There is only one broadcast screen per camera. Just use the camera and enjoy the view it is pointing at.