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Precalc

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Write the complex number z = 2 + 5i in polar form, rounding to the nearest hundredth if needed.

  • Precalc - ,

    Z = 2 + 5i.

    tanA = 5/2 = 2.50
    A = 68.20o

    Z = X/cosA = 2/cos68.20 = 5.39 @ 68.2o=
    (5.39,68.2)

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