12 Answered Questions for the topic Demoivre's Theorem

03/28/21

#### How To Find an Indicated Power with DeMoivre's Theorem?

Find the indicated power using De Moivre's Theorem. (Express your fully simplified answer in the form a + bi.)
Demoivre's Theorem Precalculus

03/06/19

#### Use DeMoivre's Theorem to find the indicated power of the following complex number. (-3 + 3i)^4

I know the formula, but it says to put exponents between sin/cos and theta. That's the main part that confuses me.
Demoivre's Theorem

04/07/18

#### How do we know when to use theta=0 or 2pi in finding the 4th root of 100+0i

How do we know when to use theta=0 or 2pi in finding the 4th root of 100+0i using DeMoivre's theorem
Demoivre's Theorem Complex Numbers Mathematics

02/27/17

#### Complex number doubt

The continued product of the four values of (cos π/3  + isin π/3)3/4 =  1. 1 2. 1-i√3 3. 1+i√3 4. None of these
Demoivre's Theorem Trigonometry

11/02/14

#### Demoivre's Theorem Question

Use DeMoivre's Theorem to find (sqrt(2)-i)^4   Step by Step, this is a practice problem my professor gave me
Demoivre's Theorem Maths Complex Numbers Triangles

09/23/14

#### complex number

If one vertex of an equilateral triangle is 1+i and centroid is it's origin then other two vertices of triangle are?
Demoivre's Theorem

03/21/14

#### use the theorem below to

Use the theorem below to find the indicated roots of the complex number.  B. Represent each of the roots graphically.  C. Express each of the roots in a standard form.  For a positive integer... more
Demoivre's Theorem

03/21/14

#### Use the Demoivre's theorem to find the indicated power of the complex number

Express the result in standard form  (√3+i)^5
Demoivre's Theorem

03/20/14

#### perform the operation and leave the result in trigonometric.

1). 4(cos40° + isin40°)/3(cos160°+isin160°)     2).[2/3(cosπ/3+isinπ/3)][9(cosπ/6+isinπ/6])]
Demoivre's Theorem

01/11/13

11/28/12

#### using demoivre's theorem, what is the value of (8-8iv 3)^3/4

I am having trouble understanding demoivre's theorem. I am not quite grasping the concept. Please help with this homework problem.

## Still looking for help? Get the right answer, fast.

Get a free answer to a quick problem.
Most questions answered within 4 hours.

#### OR

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.