Just the cosine rule.
Finding the side
Finding the angle
Example problem pairs (see https://berwickmaths.com/ for an explanation of this) and some questions.
Not much of putting it all together but a quick exercise in picking which rule to use.
There is an exam question included, a hard one that involves using cosine and then basic trig to find an angle.
I did this over two lessons. Finding the side was one lesson, finding the angle the next lesson
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