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More Lessons for PreCalculus

Math Worksheets

Examples, solutions, videos, worksheets, and activities to help PreCalculus students learn the trigonometric or polar form of complex numbers.

The following diagram shows how to write complex numbers in polar form. Scroll down the page for more examples and solutions.

**Trigonometric Form of Complex Numbers**

A convenient form for numbers in the complex plane, other than rectangular form, is the trigonometric form of complex numbers. The trigonometric form of complex numbers uses the modulus and an angle to describe a complex number's location. It is important to be able to convert from rectangular to trigonometric form of complex numbers and from trigonometric to rectangular form.

**How to write complex numbers in trigonometric form?**

Graph complex numbers

Convert a complex number in rectangular form to trigonometric form

Convert a complex number in trigonometric form to rectangular form

**Expressing a Complex Number in Trigonometric or Polar Form, Ex 1**
**Expressing a Complex Number in Trigonometric or Polar Form, Ex 2**
**Expressing a Complex Number in Trigonometric or Polar Form, Ex 3**

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

More Lessons for PreCalculus

Math Worksheets

Examples, solutions, videos, worksheets, and activities to help PreCalculus students learn the trigonometric or polar form of complex numbers.

The following diagram shows how to write complex numbers in polar form. Scroll down the page for more examples and solutions.

A convenient form for numbers in the complex plane, other than rectangular form, is the trigonometric form of complex numbers. The trigonometric form of complex numbers uses the modulus and an angle to describe a complex number's location. It is important to be able to convert from rectangular to trigonometric form of complex numbers and from trigonometric to rectangular form.

Graph complex numbers

Convert a complex number in rectangular form to trigonometric form

Convert a complex number in trigonometric form to rectangular form

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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