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Why do you use phasor Diagram?

Updated: 9/21/2023
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phasor diagram is nothing but the vectorial representation of time-varying periodic signals(most common are sine and cosine) , whose magnitude is given by the amplitude of the signal and the direction (angle..) is given by the phase difference.

this makes life a lot easier , calculations in vector-algebra domain is more easier when compared to trigonometric domain because here we can resolve any 'n' no. of vectors and by performing simple algebra of addition and subtraction gives us the desired result. Whereas in trigonometric domain we need to expansions like sin(A+B),cos(A-B) etc etc which is a laborious task

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Q: Why do you use phasor Diagram?
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