I believe your attachment is the circuit analysed at the Wikipedia site (see link below) - in case you haven't followed up there. If you've seen the analysis there and are still confused, then you might indicate exactly where is your predicament. Are you obliged to use the EET in your homework assignment?please tell me the resistance as seen by the capacitor...all the values of resistnces are 1 ohms and capacitance is also 1 f