18 Answered Questions for the topic Polar Forms

12/17/16

#### Rewrite the complex number in polar form

Rewrite the complex number in polar form, z=r(cos(theta)+isin(theta)).z = 2 = ?
A. 2(cos(0)+isin(0))
B. 2(cos(pi/4)+isin(pi/4))
C. (sqrt 2)(cos(0)+isin(0))
D. (sqrt 2)(pi/4)+isin(pi/4))

12/14/16

#### rewrite the complex number in polar form.

rewrite the complex number in polar form, z=r(cos(theta )+isin(theta )) z= (1/2)+(sqrt 3/2)i=?
A. cos(pi/2)+isin(pi/2)
B. cos(pi/3)+isin(pi/3)
C. cos(pi/4)+isin(pi/4)
D. cos(pi/6)+isin(pi/6)

12/13/16

#### Rewrite the complex number in rectangular form, a + bi.

Rewrite the complex number in rectangular form, a + bi. z=(sqrt 2)cis(105 deg)=?

12/12/16

#### Rewrite the complex number in rectangular form, a + bi.

Rewrite the complex number in rectangular form, a + bi.
z=7cis(pi/6)=?
A. 7+7i
B. ((7(sqrt 3))/2)+(7/2)i
c. (sqrt 3/2)+(1/2)i
D. (7/2)+(7/2)i

12/07/16

#### Find the quotient of the complex numbers

Find the quotient of the complex numbers:
2*(sqrt 3)(cos(116 deg)+isin(116 deg))/2(cos(82 deg)+isin(82 deg))

12/10/15

#### How to graph r=4/costheta-sintheta

should i change it to rectangular form to graph it? is there any technique to graph directly from a polar equation?

08/14/15

#### Help!!!! Pre calc homework

Please help I need this complex number expressed in polar form
(-5)-2i

05/27/15

#### Write the complex number in

Standard a+bi form
4(cos (2pi/3)+isin(2pi/3))
Polar form with the angle in radians
-4+2i

03/26/15

#### z1 = 4 (cos 45° + i sin 45°) and z2 = 2 (cos 30° + i sin 30°)

Please solve: "z1 = 4 (cos 45° + i sin 45°) and z2 = 2 (cos 30° + i sin 30°). What's z1 * z2? What's z1/z2?" Did it myself but got it wrong, so please post steps so I can see where I went...
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03/26/15

#### z1 = 4 (cos 45° + i sin 45°) and z2 = 2 (cos 30° + i sin 30°)

Please solve:
"z1 = 4 (cos 45° + i sin 45°) and z2 = 2 (cos 30° + i sin 30°).
What's z1 * z2?
What's z1/z2?"
Did it myself but got it wrong, so please post steps so I can see where...
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Polar Forms Complex Numbers

05/13/14

#### Write the complex number in polar form with argument ? between 0 and 2p. 9 radical 3 - 9i

Write the complex number in polar form with argument θ between 0 and 2π. 9 radical 3 − 9i

Polar Forms Complex Numbers

05/13/14

#### Write the complex number in polar form with argument ? between 0 and 2p. 7radical 3 - 7i

Write the complex number in polar form with argument θ between 0 and 2π. 7radical 3 − 7i

Polar Forms Radians

05/08/14

#### write your answer in standard polar form with argument in radians. Please help

Z1 = 2 +2i , z2 =radical 3 -I I don't know how to do the radical symbol that's why I wrote it out.

Polar Forms

05/08/14

#### Find z1z2 z1=4i ,z2 = -6+6i write your answer in standard polar form with argument in radians. Please help

write your answer in standard polar form with argument in radians. Please help z1=4i z2= -6+6i

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.

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