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The exponential form of a complex number

Lecture





Let some complex number be written in trigonometric form z = r * (cos φ + isin φ), then in an indicative form it can be represented as   The exponential form of a complex number . If we equate both obtained numbers and reduce by r, then we obtain an equation, which is called the Euler formula   The exponential form of a complex number and shows that expressions   The exponential form of a complex number and   The exponential form of a complex number have the same logical entity.

Formulas for multiplication, division, exponentiation, and root extraction are written as follows:

  The exponential form of a complex number



  The exponential form of a complex number , where k = 0, 1, 2, ..., (n - 1).

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HANDBOOK ON MATHEMATICS, SCHOOL MATHEMATICS, HIGHER MATHEMATICS

Terms: HANDBOOK ON MATHEMATICS, SCHOOL MATHEMATICS, HIGHER MATHEMATICS