Help on computing matrix with complex numbers and polar form

above is a photo of what I'm trying to solve. I know how to enter in the 4x4 matrix but I don't know how to enter in the 3x1 matrix. Any help would be great and I already know how to compute the answer all I need help with is with the polar form of the matrix. Thanks

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@David Colorado: I uploaded your screenshot here. Please do not put links to images on third-party websites.

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Answers (1)

For a point expressed in length r and angle theta degrees,
Z = r.*( cosd(theta) + 1i.* sind(theta))

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Asked:

on 23 Mar 2017

Commented:

on 23 Mar 2017

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