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    Write the complex number in rectangular form.
    cis 210°
    Which is the correct answer?

    a) -square root of 3/2 + i1/2
    b) -1/2 + i(-1/2)
    c) square root of 3/2 + i(-1/2)
    d) -square root of 3/2 + i(-1/2)

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    https://brainmass.com/math/complex-analysis/write-complex-number-rectangular-form-30977

    Solution Preview

    Write the complex number in rectangular form.
    cis 210°
    Which is the correct answer?

    a) -square root of 3/2 + i1/2
    b) ...

    Solution Summary

    The expert writes the complex number in rectangular form.

    $2.49

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