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Principle value (of an argument)

The argument of a complex number z in the interval [0, 2π) is called the principle value. The interval (−π, π] can also be taken.



You write a complex number z in phasor form as

Where |z| is a positive real number, and you call this the modulus of z. The argument θ (theta) is a real number that specifies the angle with the x-axis


Example 1


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