Title: Complex numbers - polar reprezentation

Polar representation of complex numbers

a + ib = r (cos  + i sin  )

r = tan = y/x

Product in polar representation

Conjugate numbers in polar representation

The inverse of a complex number in polar representation

Quotient two complex numbers in polar representation

Formula 'De Moivre'

Fundamental Theorem of Algebra

Every nth - order polynomial possess exactly n complex roots.

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