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March 27, 2017

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A cottage under construction is to be 15.6m wide. The two sides of the roof are to be supported by equal rafters that meet at a 52 degree angle. Determine the length of the rafters to the nearest cm using a) the cosine law b) the sine law
I am not understanding this question at all. please help. thanks.

  • trigonometry ? - ,

    please help

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