peebeeandjay201 peebeeandjay201

05-05-2017
Mathematics

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Write the complex number z=-10+8i in polar form

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ghanami ghanami

05-05-2017

hello :
the polar form is : z = |z |×e^(iθ)
z=-10+8i
|z | =√((-10)²+(8)²) =√(164)
cosθ = -10/√(164)
sinθ = 8/√(164)
find θ by arctan(8/-10)

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