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28-10-2018
Mathematics

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i need assurance can't get this wrong because there are only 2 questions

i need assurance cant get this wrong because there are only 2 questions class=

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28-10-2018

Use the formula: sin (x-y) = sinx cosy - cosx siny

sin57 cos13 - cos57 sin13 = sin (57 -13) = sin (44)

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