Trigonometric Functions And Complex Numbers by Desheng Yang

Author:Desheng Yang
Language: eng
Format: epub
Publisher: World Century Publishing Corporation
Published: 2017-11-13T05:00:00+00:00

(2) If two complex numbers are not real numbers, the size of them cannot be compared. That is two imaginary numbers cannot be compared the size and a real number and an imaginary number cannot be compare the size. Only two real numbers can be compared the size.

(3) In complex plane, the origin is not a point on the imaginary axis (y-axis), which is a point on the real axis (x-axis).

(4) After the concept of number is extended to the complex number, real number of computing properties, concepts and relations is not necessarily applicable in complex set, such as the property of the inequality, the definition of absolute value and even power of the number is not negative and so on.

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