"Master the art of working out when best to apply which rule to trigonometry problems"
From SOHCAHTOA to cosine rule, to Pythagoras"s theorem, it can be difficult to know which is the most appropriate rule to apply in given situations. Sure, when doing an exercise on the cosine rule, you know what to look for, but questions don"t often tell you which rule you are expected to use. This is all part of the art of efficient...
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