I'm currently using QGIS 3.6.
For a while now to map the arcs of fire for historical fixed weapon emplacements. Creating an arc to a set range to a set angle is extremely important for my analysis work.
I currently use the buffer tool to create a circular polygon around a point to the desired range and direction. I then have to essentially delete points until the desired angle is achieved. This isn't that precise, however as I have to estimate the correct angle. Doing this for every point is very time consuming and I was wondering if there was a quick and simple way to achieve the same result in QGIS, without manually setting the angle by deleting points and without plugins (if possible).
I am not a technical person and have no programming experience.
See below for an example of what I am hoping to achieve.
Answer
It seems to me that this tool will do your work, see figure 1 
and figure 2 
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