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## Homework Statement

I'm trying to find the best solution for solving a problem in which I must form an operation with three vectors in polar form, ending with a sum in rectangular form. The operation is as follows:

(5 [itex]\angle[/itex] 0°) + (20 [itex]\angle[/itex] -90°) - (6 [itex]\angle[/itex]180°) =

## Homework Equations

Z

_{1}[itex]\angleθ[/itex] + Z

_{2}[itex]\angleθ[/itex] = (Z

_{1}+ Z

_{2}) [itex]\angleθ[/itex], (X

_{1}+ jY

_{1}) + (X

_{2}+ jY

_{2}) = (X

_{1}+ X

_{2}) + j(Y

_{1}+ Y

_{2})

## The Attempt at a Solution

I tried using the Triangle Law R= (a+b)+(b+c). I'm not sure if I did this correctly or not, but I ended up with this vector in rectangular form: -9 + j1.1*10

^{-15}

I'm posting to verify if I did this correctly or if I missed anything.