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The rectangular form of a complex number is a sum of two terms: the number's real part and the number's imaginary part multiplied by i . As such, it is really useful for adding and subtracting …

Consider the complex number 5 + 5 i . Which of these represents the same number in polar form?

Learn how to convert a complex number from rectangular form to polar form. This video covers how to find the distance (r) and direction (theta) of the complex number on the complex plane, and how to …

Given a complex number in polar form, we can convert that number to rectangular form and plot it on the complex plane.

Given a complex number in polar form, we can convert that number to rectangular form and plot it on the complex plane.

Now, one way to visualize complex numbers, and this is actually a very helpful way of visualizing it when we start thinking about the roots of numbers, especially the complex roots, is using something called …

Given a complex number in rectangular form, write it in polar form. Given a complex number in polar form, write it in rectangular form.

Review the polar form of complex numbers, and use it to multiply, divide, and find powers of complex numbers.

The document opens with: "By now we know how to multiply two complex numbers, both in rectangular and polar form. In particular, the polar form tells us that we multiply magnitudes and add angles".