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The top documents tagged [a2 b22abcoscthe cosine]
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© T Madas. The Cosine Rule © T Madas A B C a b c a2a2 = b2b2 + c2c2 – 2 b ccosA b2b2 = a2a2 + c2c2 – 2 a ccosB c2c2 = a2a2 + b2b2 – 2 a bcosC The cosine
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