Sorry about the title. I couldn't post, so I read somewhere that a big title could be the cause. I had to make it that short. I'm having a hard time with a basic AC RL circuit. Since only the voltage drops are given, I don't have a clue where to start from. They are asking for: 1) Source voltage in polar notation; 2) Power factor of the circuit; 3) Phasor diagram with source voltage, voltage drops and current. The source voltage frequency can be adopted as 60Hz. I would like to know just what should I do with those voltage drops. I can't think of anything.