6.3.3 - Quiz: Polar Form of Complex Numbers

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Convert the polar representation of this complex number into its rectangular form: z=4(cos135 degrees+ isin 135 degrees)

(-2sqrt2, 2sqrt2) https://ibb.co/kN8RJz (Answer)

Convert the polar representation of this complex number into its rectangular form: z=4(cos pi/2 + isin pi/2)

(0, 4) https://ibb.co/jJfRke (Answer)

Convert the polar representation of this complex number into its standard form: z= 6(cos 210 degrees + isin 210 degrees)

-3sqrt3 -3i https://ibb.co/kC1fdz (Answer)

Which complex number's graph is shown? https://ibb.co/b970BK (-2, 2)

2sqrt2(cos 3pi/4 + isin 3pi/4) https://ibb.co/fwDwke (Answer)

When its argument is restricted to [0,2pi), then polar form of a complex number is NOT unique.

False https://ibb.co/kDBVdz (Answer)

When a complex number z is written in its polar form, z= r (cos theta + isin theta) , the nonnegative number ______ is called the "magnitude," or modulus, of z.

r https://ibb.co/hxrtWK (Answer)

Convert the polar representation of this complex number into its standard form: z=2(cos 11pi/6 + isin 11pi/6)

sqrt3 -i https://ibb.co/d55Oyz (Answer)

When a complex number is written in its polar form, z = r (cos theta + isin theta) , the angle theta is called the "argument" of ______?

z https://ibb.co/hSsE5e (Answer)

Convert the following complex number into its polar representation: 2-2sqrt3i

4(cos 300 degrees + isin 300 degrees) https://ibb.co/bzLOyz (Answer)

Convert the following complex number into its polar representation: -4

4(cos pi + sin pi) https://ibb.co/fvqWJz (Answer)


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