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19-02-2019
Mathematics

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Add. Write your answer using rectangular coordinates. -3∠-30° + 9∠32°

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sepehrashtari sepehrashtari

19-02-2019

(-3*cos30,-3*sin30)+(9*cos32,9*sin32)

but we don't have sin,cos32. are you sure it's 32? or 30?

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