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16 March, 03:08

In rectangular form, 6 (cos120°, isin120°)

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  1. 16 March, 03:19
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    (-3, 3√3)

    Step-by-step explanation:

    Evaluate each of the coordinates. Keep or drop the "i" as your convention requires.

    6 (cos (120°), i·sin (120°)) = (6·cos (120°), i·6·sin (120°)) = (6 (-0.5), i·6·√3/2)

    = (-3, 3√3 i)

    You may want the (x, y) coordinates written as (-3, 3√3).

    ___

    In the complex plane, this is - 3+i·3√3.
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