smc-1049-30-Mod/Arg to Cartesian

Complex Numbers, EXT2 N1 2005 HSC 2b

Let .

Express in modulus-argument form. (2 marks)

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Express in modulus-argument form. (2 marks)

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Hence express in the form . (1 mark)

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Express in modulus-argument form. (2 marks)

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Express in modulus-argument form. (2 marks)

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Hence express in the form (1 mark)

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$$

ii.
$$