Brightstorm Q & A : please tell me how we decide to apply sine or cosine laws for any given triangle.will the answer be same if i use sine law even i can fine with cosine law.

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answer #1

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lqez now

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we decide to use sin and cosine laws when we know one angle and two sides

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DarthMathLord January 27, 2011

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here we use the cosine law because we don't have matching angle side combo for sine law

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DarthMathLord January 27, 2011

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