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Write the complex number in trigonometric form. Round the angle to the nearest hundredth of a degree. −21 + 20i

Trigonometry (MindTap Course List)

10th Edition

ISBN:9781337278461

Author:Ron Larson

Publisher:Ron Larson

Chapter4: Complex Numbers

Section4.4: Trigonometric Form Of A Complex Number

Problem 2ECP: Write the complex number z=3+4i in trigonometric form.

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Question

Write the complex number in trigonometric form. Round the angle to the nearest hundredth of a degree.

−21 + 20i

Combination of a real number and an imaginary number. They are numbers of the form a + b , where a and b are real numbers and i is an imaginary unit. Complex numbers are an extended idea of one-dimensional number line to two-dimensional complex plane.

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