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sine and cosine rule?
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c'est la vie 98
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Does anyone know whether you have to be able to prove the sine/cosine rule in the edexcel C2 maths exam?
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DeadEnd_96
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I don't think it will come up in the exam, but it is good to know the proof just in case. Also it helps you understand the whole concept.
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c'est la vie 98
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Kevin De Bruyne
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(Original post by c'est la vie 98)
Does anyone know whether you have to be able to prove the sine/cosine rule in the edexcel C2 maths exam?
Does anyone know whether you have to be able to prove the sine/cosine rule in the edexcel C2 maths exam?
They're also proved in the textbook but again doesn't say in the boxes *You must know this* or *Don't worry about it*. I would personally not worry about it, but would check to see if you can understand how it's done.
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Skαteboαrder
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If you pick what to learn just for the exams you're gonna have hard time when you get to doing more advanced maths.
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Phichi
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(Original post by Skαteboαrder)
If you pick what to learn just for the exams you're gonna have hard time when you get to doing more advanced maths.
If you pick what to learn just for the exams you're gonna have hard time when you get to doing more advanced maths.
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Skαteboαrder
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(Original post by Phichi)
To be fair, proving the cosine rule for example is way above the C2 spec.
To be fair, proving the cosine rule for example is way above the C2 spec.
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