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| Hey man. Long time - no see, don't you think? | |
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| Yeah, it has been a while. Everything good with you? | |
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| Yes kinda. I need help with my math study guide before the exam next week. | |
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| The law of sine and cosine. But, I need the most help on the law of cosine. | |
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| The Law of Cosines (also called the Cosine Rule) is very useful for solving triangles: It works for any triangle: a, b and c are sides. C is the angle opposite side c. | |
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