Question

Write the complex number z=-2-i in trigonometric form (sometimes called polar form). Express the angle 0 in radians, where 0 ≤ 0 < 2π. Do not round any intermediate computations, and round the values in your answer to the nearest hundredth. z= (cos +isin )

Name: write the complex number z 2 i in trigonometric form sometimes called polar form express the angle 0 in radians where 0 0 2 do not round any intermediate computations and round the values in your answ
Uploaded: 2023-11-17T19:43:19-08:00
Duration: 1 min 5 s
Channel: Donna Densmore
Description: write the complex number z 2 i in trigonometric form sometimes called polar form express the angle 0 in radians where 0 0 2 do not round any intermediate computations and round the values in your answ

          Write the complex number z=-2-i in trigonometric form (sometimes called polar form). Express the angle 0 in radians, where 0 ≤ 0 < 2π. Do not round any intermediate computations, and round the values in your answer to the nearest hundredth. z= (cos +isin )

Added by Chloe S.

Introductory and Intermediate Algebra for College Students 4th

Robert Blitzer 4th Edition

Instant Answer

Solved by Expert Donna Densmore

11/17/2023

Step 1

The magnitude of a complex number z = a + bi is given by r = sqrt(a^2 + b^2). Here, a = -2 and b = -1. So, r = sqrt((-2)^2 + (-1)^2) = sqrt(4 + 1) = sqrt(5). Show more…

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Write the complex number z=-2-i in trigonometric form (sometimes called polar form). Express the angle 0 in radians, where 0 ≤ 0 < 2π. Do not round any intermediate computations, and round the values in your answer to the nearest hundredth. z= (cos +isin )