Angle notation or phasor notation is a notation used in electronics.
can represent either the vector
or the complex number
both of which have magnitudes of 1. A vector whose polar coordinates are A and θ is written 
In electronics, there may also be an implied conversion from degrees to radians. For example
would be assumed to be
which is the vector
or the number 
References
- Nilsson, James W.; Riedel, Susan A. (2005). Electric Circuits. Upper Saddle River, New Jersey: Pearson Prentice Hall. ISBN 0-13-146592-9.
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