monkgryphon's answer may, at first glance, sound unhelpfull and arrogant to the point of being offensive, but I am afraid he is essentialy right.
It ist (unfortunatly or not, that is open to debate) advice on all TOR bossfights in a nutshell.
Use a strength Stim to boost your DPS, use your defensive spells right and don't forget to call on the force, even though CoF has an attrociously lang CD.
You may have figured this out by your self, but I include it anyway:
It is important that you spread Angrals damage between you and your compannion.
Send Kira in first, let her get aggro, then come in. Take over Angrals attacs when Kira's health goes down und then turn back over to her once your health hits aprox. 1/3.
Also, while I am very much opposed to the concept of interrupts in TOR's gameplay because they carry the unplesant stench of a quick time event, they are actualy a key to winning bossfights. So, whenever you see a blue bar filling under Angral's healthbar, force kick or force stasis it.