Former adult film star Jesse Jane’s cause of death has been revealed more than six months after she was tragically found dead alongside her boyfriend, Brett Hasenmueller. Jane (real name: Cynthia Taylor) died of fentanyl and cocaine toxicity, RadarOnline.com can report following an update from the Oklahoma City Medical Examiner’s Office. Her manner of death was listed as accidental. She was 43. The blonde bombshell was discovered unresponsive on Jan. 24 around 11:30 at her boyfriend’s residence in Moore, Oklahoma, the summary report obtained by RadarOnline.com stated. A more conclusive autopsy…