Write z=-2e^3π i/4in standard form.

Polar Form

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Write z=−2e3πi/4z=-2e^{3\pi i/4}z=−2e3πi/4in standard form.

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Practice: Polar Form of Complex Numbers

Using polar form, find the product of z=3−33iz=3-3\sqrt{3}iz=3−33​i and w=3  cis(π6)w=\sqrt{3}\;\text{cis}(\frac{\pi}{6})w=3​cis(6π​), and write the answer in standard form

Practice: Polar Form of Complex Numbers

Write z=1−iz=1-iz=1−i in polar form

Polar Form of Complex Numbers

Practice: Polar Form
Write z=1−iz=1-iz=1−i in polar form.

Write z=−2z = -2z=−2 in polar form.

If z=−1−3iz=-1-\sqrt{3}iz=−1−3​i, then which of the following is the argument of z30z^{30}z30?
(argument of a complex number zzzis the angle measured counter clockwise from the positive xxx-axis to the vector representing the complex number)

Write z=-2e^3π i/4in standard form.

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